Plants
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Species (family)
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Common name(s)
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Native to Hawaii?
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Present in Hawaii?
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Established in Hawaii?
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| Abarema clypearia (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Abelia grandiflora (Caprifoliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Abelmoschus esculentus (Malvaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Abelmoschus manihot subsp. manihot (Malvaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Abelmoschus manihot subsp. tetraphyllus (Malvaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Abelmoschus moschatus (Malvaceae) | musk okra, muskmallow, tropical jewel hibiscus | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Abies pinsapo (Pinaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Abies sp. (Pinaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Abronia maritima (Nyctaginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Abronia umbellata (Nyctaginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Abrus precatorius (Fabaceae) | bead vine, black-eyed Susan, coral bead plant, coralbean, crab's-eye, Indian licorice, jequirity, jequirity bean, licorice vine, love bean, lucky bean, minnie-minnies, prayer beads, prayerbead, precatory, precatory bean, pūkiawe, pūkiawe lei, pūkiawe lenalena, pūpūkiawe, red beadvine, rosary pea, weatherplant, weathervine | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Abutilon darwinii x pictum (Malvaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Abutilon eremitopetalum (Malvaceae) | hidden-petaled abutilon | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Abutilon grandiflorum (Malvaceae) | hairy abutilon | NOT native to Hawaii | ?unresearched | ?unresearched |
| Abutilon grandifolium (Malvaceae) | hairy abutilon, ma‘o | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Abutilon incanum (Malvaceae) | hoary abutilon | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Abutilon indicum (Malvaceae) | abutilon, Indian abutilon, Indian mallow | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Abutilon megapotamicum (Malvaceae) | trailing abutilon | NOT native to Hawaii | ?unresearched | ?unresearched |
| Abutilon menziesii (Malvaceae) | ko'oloa'ula, kooloaula | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Abutilon pictum (Malvaceae) | abutilon | NOT native to Hawaii | ?unresearched | ?unresearched |
| Abutilon sandwicense (Malvaceae) | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Abutilon theophrasti (Malvaceae) | abutilon hemp, butterprint, buttonweed, China-jute, Indian mallow, Indian-mallow, Tientsin-jute, velvetleaf, velvetweed | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia acuminata (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia aneura (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia aulacocarpa (Fabaceae) | brown salwood, brush ironbark wattle, hickory wattle | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia auriculiformis (Fabaceae) | auri, earleaf acacia, earpod wattle, northern black wattle, Papuan wattle, tan wattle | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia baileyana (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia blakelyi (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia boliviana (Fabaceae) | Bolivian wattle | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia concinna (Fabaceae) | chikakai, piquant sappan, sappan, soap pod | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia confusa (Fabaceae) | Formosa acacia, Formosa koa, Formosan koa | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Acacia crassicarpa (Fabaceae) | northern wattle, Papua New Guinea red wattle | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia curassavica (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia cyclops (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia dealbata (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia decurrens (Fabaceae) | NOT native to Hawaii | PRESENT in Hawaii | ?unresearched | |
| Acacia dodonaeifolia (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia dunnii (Fabaceae) | Dunn's wattle, elephant-ear wattle | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia elata (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia farnesiana (Fabaceae) | aroma, cassie, Ellington curse, huisache, klu, kolū, opopanax, popinac, sweet acacia | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Acacia floribunda (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia glauca (Fabaceae) | redwood, wild dividivi | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia iteaphylla (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia koa (Fabaceae) | koa | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Acacia koaia (Fabaceae) | dwarf koa, koaia | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Acacia lasiocalyx (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia longifolia (Fabaceae) | coast wattle, golden rods, golden wattle, long-leaved acacia, long-leaved wattle, sallow wattle, Sydney golden wattle | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia longifolia subsp. longifolia (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia longifolia subsp. sophorae (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia longifolia var. longifolia (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia longifolia var. sophorae (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia mangium (Fabaceae) | black wattle, hickory wattle, mangium, mangium wattle | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia mearnsii (Fabaceae) | black wattle, tan wattle | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Acacia melanoxylon (Fabaceae) | Australian blackwood, blackwood, blackwood acacia | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Acacia microbotrya (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia microbotrya var. microbotrya (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia nilotica (Fabaceae) | algaroba, babul, black thorn, Egyptian thorn, gum arabic tree, Nile acacia, prickly acacia, thorny acacia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia nilotica subsp. indica (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia paradoxa (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia parramattensis (Fabaceae) | Parrmatta green wattle, Sydney green wattle | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Acacia podalyriifolia (Fabaceae) | Queensland silver wattle | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia pravissima (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia prominens (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia pycnantha (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia retinodes (Fabaceae) | water wattle | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia saligna (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia sinuata (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia sophorae (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acacia sp. (Fabaceae) | acacia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acacia spp. (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Acacia verticillata (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acaena agnipila (Rosaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acaena agnipila var. tenuispica (Rosaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acaena echinata var. retrorsumpilosa (Rosaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acaena echinata var. tylacantha (Rosaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acaena exigua (Rosaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Acaena novae-zelandiae (Rosaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acaena ovalifolia (Rosaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acalypha alopecuroidea (Euphorbiaceae) | foxtail copperleaf | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acalypha godseffiana (Euphorbiaceae) | beefsteak, copper leaf | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acalypha hispida (Euphorbiaceae) | chenille plant | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acalypha indica (Euphorbiaceae) | copperleaf, Indian acalypha, Indian-nettle | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acalypha lanceolata (Euphorbiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acalypha reptans (Euphorbiaceae) | cat tail | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acalypha virginica (Euphorbiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acalypha wilkesiana (Euphorbiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acanthocereus pentagonus (Cactaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acanthocereus tetragonus (Cactaceae) | barbed-wire cactus, sword-pear, triangle cactus | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Acanthophora pacifica (Rhodomelaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Acanthophora spicifera (Rhodomelaceae) | prickly seaweed, spiny seaweed | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Acanthospermum australe (Asteraceae) | ‘ihi kūkae hipa, ihi kukae hipa, kūkaehipa, kukaehipa, Paraguay bur, Paraguay starbur, pipili, sheepbur, spiny bur, spiny-bur | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Acanthospermum hispidum (Asteraceae) | bristly starbur, goat's head, hispid starburr, starburr | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Acanthospermum microcarpum (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acanthus mollis (Acanthaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acca sellowiana (Myrtaceae) | feijoa, pineapple guava | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acer campestre (Aceraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acer ginnala (Aceraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acer negundo (Aceraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acer palmatum (Aceraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acer platanoides (Aceraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acer pseudoplatanus (Aceraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acetosa sagittata (Polygonaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acetosa vesicaria (Polygonaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acetosella vulgaris (Polygonaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Achillea distans (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Achillea millefolium (Asteraceae) | common yarrow, milfoil | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Achillea millefolium var. millefolium (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Achillea nobilis (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Achillea ptarmica (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Achnatherum brachychaetum (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Achnatherum calamagrostis (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Achnatherum caudatum (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Achnatherum spp. (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Achyranthes aspera (Amaranthaceae) | chaff-flower, crocus stuff, crokars staff, devil's horsewhip, prickly achyranthes, prickly chaff-flower | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Achyranthes atollensis (Amaranthaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Achyranthes indica (Amaranthaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Achyranthes mutica (Amaranthaceae) | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Achyranthes philoxeroides (Amaranthaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Achyranthes splendens (Amaranthaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Achyranthes splendens var. rotundata (Amaranthaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Achyranthes splendens var. splendens (Amaranthaceae) | achyranthes | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Acinos arvensis (Lamiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Acmella oleracea (Asteraceae) | Para cress, para-cress, toothache plant | NOT native to Hawaii | ?unresearched | ?unresearched |
| Acmella sodiroi (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acmella uliginosa (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acmena smithii (Myrtaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Acoelorraphe wrightii (Arecaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acoelorrhaphe wrightii (Arecaceae) | Everglades palm, paurotis palm, saw cabbage palm, silver saw palm | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aconitum carmichaelii (Ranunculaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aconitum napellus (Ranunculaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Acorus calamus (Araceae) | (unresearched) | ?unresearched | ?unresearched | |
| Acorus sp. (Araceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Acrocephalus familiaris subsp. kingi (Lamiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Acrochaetium hypneae (Acrochaetiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Acrochaetium microscopicum (Acrochaetiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Acromastigum integrifolium (Lepidoziaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Acroporium fuscoflavum (Sematophyllaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Acroptilon repens (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Actinidia arguta (Actinidiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Actinocyclus octonarius () | (unresearched) | ?unresearched | ?unresearched | |
| Actinoscirpus grossus (Cyperaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Actinotrichia fragilis (Galaxauraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Actinotus helianthi (Apiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Adansonia digitata (Bombacaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Adenanthera abrosperma (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Adenanthera pavonina (Fabaceae) | bead tree, coral bean tree, coralwood, false wiliwili, peacock flower-fence, Polynesian peanut, red bead tree, red sandalwood tree | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Adenium obesum (Apocynaceae) | desert rose, mock azalea | NOT native to Hawaii | ?unresearched | ?unresearched |
| Adenophorus abietinus (Grammitidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Adenophorus epigaeus (Grammitidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Adenophorus hymenophylloides (Grammitidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Adenophorus periens (Grammitidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Adenophorus tamariscinus (Grammitidaceae) | wahine noho mauna | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Adenophorus tamariscinus var. montanus (Grammitidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Adenophorus tamariscinus var. tamariscinus (Grammitidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Adenophorus tripinnatifidus (Grammitidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Adenostemma platyphyllum (Asteraceae) | adenostemma, clubwort | NOT native to Hawaii | ?unresearched | ?unresearched |
| Adenostemma viscosum (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Adiantum capillus-veneris (Pteridaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Adiantum hispidulum (Pteridaceae) | rough maidenhair fern | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Adiantum raddianum (Pteridaceae) | delta maidenhair fern, maidenhair fern | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Adiantum sp. (Pteridaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Adiantum tenerum (Pteridaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Adonis microcarpa (Ranunculaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Adoxa moschatellina (Adoxaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aechmea bracteata (Bromeliaceae) | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Aegilops cylindrica (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aegilops geniculata (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aegilops triuncialis (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aegopodium podagraria (Apiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aeonium arboreum (Crassulaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aeonium arboreum cv. Atropurpureum (Crassulaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aeonium haworthii (Crassulaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aeonium sp. (Crassulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aerobryopsis longissima (Meteoriaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aerobryopsis subdivergens (Meteoriaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aerobryopsis subdivergens subsp. scariosa (Meteoriaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Aerobryopsis wallichii (Meteoriaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Aerva javanica (Amaranthaceae) | aerva, kapok bush, snow bush | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aeschynomene americana (Fabaceae) | American joint vetch, joint vetch, shyleaf | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aeschynomene americana var. americana (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aeschynomene indica (Fabaceae) | budda pea, curly-indigo, hard sola, Indian joint-vetch, kat sola, northern joint-vetch, sensitive jointed vetch, sensitive vetch | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aeschynomene micranthos (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aeschynomene villosa (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aesculus hippocastanum (Sapindaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Agapanthus orientalis (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agapanthus praecox (Liliaceae) | lily of the Nile | NOT native to Hawaii | ?unresearched | ?unresearched |
| Agapanthus praecox subsp. orientalis (Liliaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Agapanthus praecox subsp. praecox (Liliaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Agapanthus spp. (Liliaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Agardhiella subulata (Solieriaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agastache foeniculum (Lamiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Agastache rugosa (Lamiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agathis macrophylla (Araucariaceae) | Pacific kauri | (unresearched) | ?unresearched | ?unresearched |
| Agathis robusta (Araucariaceae) | Queensland kauri | NOT native to Hawaii | ?unresearched | ?unresearched |
| Agave americana (Agavaceae) | American aloe, century plant, malina | NOT native to Hawaii | ?unresearched | ?unresearched |
| Agave americana var. americana (Agavaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Agave americana var. picta (Agavaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Agave attenuata (Agavaceae) | swan's neck agave | NOT native to Hawaii | ?unresearched | ?unresearched |
| Agave filifera (Agavaceae) | agave | NOT native to Hawaii | ?unresearched | ?unresearched |
| Agave sisalana (Agavaceae) | agave, century plant, malina, sisal, sisal hemp | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Agave sp. (Agavaceae) | agave | NOT native to Hawaii | ?unresearched | ?unresearched |
| Agave spp. (Agavaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Agave stricta (Agavaceae) | hedgehog agave | NOT native to Hawaii | ?unresearched | ?unresearched |
| Agave vivipara var. vivipara (Agavaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Ageratina adenophora (Asteraceae) | catweed, croftonweed, hemp agrimony, Maui pamakani, Maui pāmakani, Mexican devil, pāmakani haole, pamakani haole, sticky agrimony, sticky snakeroot | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Ageratina herbacea (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ageratina occidentalis (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ageratina riparia (Asteraceae) | creeping croftonweed, Hamakua pamakani, hāmākua pāmakani, mist flower, river eupatorium, spreading mist flower, spreading mistflower | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Ageratina shastensis (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ageratum conyzoides (Asteraceae) | ageratum, billygoat-weed, chick weed, goatweed, maile hohono, maile honohono, maile kula, whiteweed | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Ageratum conyzoides subsp. conyzoides (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Ageratum houstonianum (Asteraceae) | ageratum, blue billygoat weed, bluemink, flossflower, goatweed, maile hohono, maile honohono, maile kula | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Aglaia mariannensis (Meliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aglaia odorata (Meliaceae) | Chinese rice flower | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aglaonema commutatum (Araceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aglaonema sp. (Araceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Agonis flexuosa (Myrtaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agropogon littoralis (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agropyron cristatum (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agropyron desertorum (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agropyron elongatum (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agropyron intermedium (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agropyron pectiniforme (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agropyron repens (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agropyron spicatum (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agropyron triticeum (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostemma githago (Caryophyllaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis avenacea (Poaceae) | heupueo | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Agrostis canina (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis capillaris (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis capillaris var. aristata (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis capillaris var. capillaris (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis exarata (Poaceae) | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Agrostis exarata microphylla (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis fallax (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis gigantea (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis interrupta (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis kauaiensis (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis perennans (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis retrofracta (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis sandwicensis (Poaceae) | bentgrass | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Agrostis spica-venti (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis spp. (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis stolonifera (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Agrostis tenuis (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ahnfeltiopsis coccina (Rhodomelaceae) | (unresearched) | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Ahnfeltiopsis concinna (Rhodomelaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ahnfeltiopsis flabelliformis (Rhodomelaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ailanthus altissima (Simaroubaceae) | China sumac, Chinese tree of heaven, stinktree, tree of heaven, varnishtree | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aira caryophyllea (Poaceae) | silver hairgrass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aira cupaniana (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aira elegans (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aira elegantissima (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aira nubigena (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aira praecox (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ajuga genevensis (Lamiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Ajuga reptans (Lamiaceae) | ajuga, blue bugle, bugleherb, bugleweed, common bugle, common bugleweed | NOT native to Hawaii | ?unresearched | ?unresearched |
| Akalaphycus setchilliae (Liagoraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Akebia quinata (Lardizabalaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Albizia chinensis (Fabaceae) | Chinese albizia, silktree | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Albizia julibrissin (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Albizia lebbeck (Fabaceae) | East Indian walnut, frywood, Indian siris, koko, lebbek, lebbek tree, ‘ohai, rain tree, raom tree, silver raintree, siris rain tree, siris tree, soros-tree, woman's tongue | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Albizia lophantha (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Albizia procera (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Albizzia julibrissin (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Albizzia lebbek (Fabaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Albuca canadensis (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alcea rosea (Malvaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alchemilla vulgaris (Rosaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alectryon macrococcus (Sapindaceae) | mahoe | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Alectryon macrococcus var. auwahiensis (Sapindaceae) | mahoe | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alectryon macrococcus var. macrococcus (Sapindaceae) | mahoe | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Alectryon tomentosus (Sapindaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aleurites fordii (Euphorbiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aleurites moluccana (Euphorbiaceae) | candlenut, Indian walnut, kukui | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alhagi camelorum (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alhagi maurorum (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alhagi pseudalhagi (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alisma gramineum (Alismataceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alisma lanceolata (Alismataceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alisma lanceolatum (Alismataceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alisma orientale (Alismataceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alisma plantago-aquatica (Alismataceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alisma spp. (Alismataceae) | (unresearched) | ?unresearched | ?unresearched | |
| Allamanda blanchetii (Apocynaceae) | purple allamanda | NOT native to Hawaii | ?unresearched | ?unresearched |
| Allamanda cathartica (Apocynaceae) | allamanda, brownbud allamanda, cup of gold, golden allamanda, golden cup, golden trumpet, yellow allamanda, yellow trumpet vine | NOT native to Hawaii | ?unresearched | ?unresearched |
| Alliaria officinalis (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alliaria petiolata (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Allium ampeloprasum (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Allium carinatum (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Allium cepa (Liliaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Allium fistulosum (Liliaceae) | green onion | NOT native to Hawaii | ?unresearched | ?unresearched |
| Allium giganteum (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Allium neapolitanum (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Allium oleraceum (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Allium paniculatum subsp. paniculatum (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Allium sativum (Liliaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Allium schoenoprasum (Liliaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Allium scorodoprasum (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Allium triquetrum (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Allium vineale (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Allocasuarina huegeliana (Casuarinaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alnus glutinosa (Betulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Alnus incana (Betulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Alnus nepalensis (Betulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Alnus rubra (Betulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Alocasia brisbanensis (Araceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Alocasia cucullata (Araceae) | Chinese ape, Chinese taro | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alocasia macrorrhiza (Araceae) | ape | NOT native to Hawaii | ?unresearched | ?unresearched |
| Alocasia macrorrhizos (Araceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Alocasia micholitziana (Araceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Alocasia sp. (Araceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aloe arborescens (Aloeaceae) | candelabra aloe, candelabra plant, ocotopus aloe, octopus plant, torch plant | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aloe aristata (Aloeaceae) | lace aloe, torch plant | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aloe cameronii (Aloeaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aloe ferox (Aloeaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aloe maculata (Aloeaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aloe saponaria (Aloeaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aloe saponaria var. ficksburgensis (Aloeaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aloe spp. (Aloeaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aloe suzannae (Aloeaceae) | aloe | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aloe vera (Aloeaceae) | aloe | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alopecurus aequalis (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alopecurus arundinaceus (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alopecurus geniculatus (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alopecurus myosuroides (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alopecurus pratensis (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aloysia citriodora (Verbenaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alphitonia ponderosa (Rhamnaceae) | kauila | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alphitonia zizyphoides (Rhamnaceae) | toi | (unresearched) | ?unresearched | ?unresearched |
| Alpinia allughas (Zingiberaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Alpinia mutica (Zingiberaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Alpinia nigra (Zingiberaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Alpinia purpurata (Zingiberaceae) | ‘awapuhi ‘ula‘ula, red ginger | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alpinia zerumbet (Zingiberaceae) | light galangal, pink porcelain lily, pink porcelain-lily, shell flower, shell ginger | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alsinidendron lychnoides (Caryophyllaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Alsinidendron obovatum (Caryophyllaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Alsinidendron trinerve (Caryophyllaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Alsinidendron viscosum (Caryophyllaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Alstonia macrophylla (Apocynaceae) | batino, devil-tree, hard alstonia | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alstroemeria aurea (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alstroemeria pulchella () | alstroemeria | (unresearched) | ?unresearched | ?unresearched |
| Alstroemeria sp. () | Peruvian lily | NOT native to Hawaii | ?unresearched | ?unresearched |
| Alternanthera albotomentosa (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alternanthera bettzickiana (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alternanthera brasiliana (Amaranthaceae) | Brazilian joyweed, Joseph's coat, purple alternanthera | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alternanthera caracasana (Amaranthaceae) | mat chaff flower | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alternanthera dentata (Amaranthaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Alternanthera ficoidea (Amaranthaceae) | sanguinarea | (unresearched) | ?unresearched | ?unresearched |
| Alternanthera lanceolata (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alternanthera mexicana (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alternanthera philoxeroides (Amaranthaceae) | alligator weed | NOT native to Hawaii | ?unresearched | ?unresearched |
| Alternanthera pubiflora (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alternanthera pungens (Amaranthaceae) | khaki weed | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alternanthera sessilis (Amaranthaceae) | dwarf copperleaf, joyweed, palewāwae, sessile joyweed | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alternanthera spp. (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alternanthera tenella (Amaranthaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Alternaria passiflorae (Pleosporaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alysicarpus bupleurifolius (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alysicarpus ovalifolius (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alysicarpus vaginalis (Fabaceae) | alyce clover, alysicarpus, buffalo clover, one-leaf clover | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alysicarpus vaginatum (Fabaceae) | Alyce clover | (unresearched) | ?unresearched | ?unresearched |
| Alyssum alyssoides (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alyssum desertorum (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alyssum linifolium (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alyssum saxatile (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Alyxia oliviformis (Apocynaceae) | maile | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Alyxia stellata (Apocynaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amansia glomerata (Rhodomelaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amaranthus albus (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amaranthus blitum (Amaranthaceae) | amaranth, livid amaranth, purple amaranth, slender amaranth | NOT native to Hawaii | ?unresearched | ?unresearched |
| Amaranthus brownii (Amaranthaceae) | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Amaranthus caudatus (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amaranthus cruentus (Amaranthaceae) | bush greens, caterpillar amaranth, prince's feather, purple amaranth, red amaranth, red shank | NOT native to Hawaii | ?unresearched | ?unresearched |
| Amaranthus deflexus (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amaranthus dubius (Amaranthaceae) | amaranth, spleen amaranth | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Amaranthus gracilis (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amaranthus graecizans subsp. sylvestris (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amaranthus hybridus (Amaranthaceae) | green amaranth, green pigweed, hybrid amaranth, prince's feather, slim amaranth, smooth amaranth, smooth pigweed | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Amaranthus interruptus (Amaranthaceae) | amaranth | NOT native to Hawaii | ?unresearched | ?unresearched |
| Amaranthus muricatus (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amaranthus powellii (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amaranthus retroflexus (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amaranthus spinosus (Amaranthaceae) | edlebur, needle burr, pakai kukū, pakai kuku, pukai kukū, spiny amaranth, thorny amaranth, thorny pigweed | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Amaranthus tricolor (Amaranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amaranthus viridis (Amaranthaceae) | ‘aheahea, aheahea, green amaranth, pakai, pākaikai, pakaikai, pakapakai, pigweed, slender amaranth, tropical green amaranth | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Amaryllis belladonna (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amauropelta globulifera (Thelypteridaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Ambrosia artemisiifolia (Asteraceae) | ambrosia, annual ragweed, bitterweed, common ragweed, ragweed, Roman wormwood | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Ambrosia psilostachya (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ambrosia tenuifolia (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ambrosia tomentosa (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ambrosia trifida (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ammannia auriculata (Lythraceae) | eared redstem, redstem | NOT native to Hawaii | ?unresearched | ?unresearched |
| Ammannia baccifera (Lythraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ammannia coccinea (Lythraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ammi majus (Apiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ammophila arenaria (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ammophila spp. (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amomobryum angustirete (Bryaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amorpha fruticosa (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ampelamus albidus (Apocynaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ampelopsis arborea (Vitaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ampelopsis brevipedunculata (Vitaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ampelopsis cordata (Vitaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amphidium lapponicum (Dicranaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Amphidium tortuosum (Dicranaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Amphiroa beauvoisii (Corallinaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amphiroa rigida (Corallinaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amsinckia calycina (Boraginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amsinckia intermedia (Boraginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amsinckia lycopsoides (Boraginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Amsinckia tessellata (Boraginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anacardium occidentale (Anacardiaceae) | cashew, cashew nut | NOT native to Hawaii | ?unresearched | ?unresearched |
| Anacystis marina (Chroococcaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anagallis arvensis (Primulaceae) | bird's-eye, poor man's weatherglass, red chickweed, scarlet pimpernel, shepherd's-weatherglass | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Anagallis arvensis var. arvensis (Primulaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anagallis arvensis var. caerulea (Primulaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anagallis minima (Primulaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anagallis pumila (Primulaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ananas comosus (Bromeliaceae) | pineapple | NOT native to Hawaii | ?unresearched | ?unresearched |
| Anastrepta orcadensis (Jungermanniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Anastrophyllum esenbeckii (Jungermanniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Anastrophyllum fissum (Jungermanniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Anchusa arvensis (Boraginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anchusa azurea (Boraginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anchusa capensis (Boraginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anchusa officinalis (Boraginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Andreaea acutifolia (Andreaeaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Andreaea acutifolia subsp. acuminata (Andreaeaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Andreaea perpapillosa (Andreaeaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Andreaea rupestris (Andreaeaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Andropogon bicornis (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Andropogon gayanum (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Andropogon gayanus (Poaceae) | gamba grass, tambuki grass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Andropogon glomeratus (Poaceae) | bushy beardgrass, bushy bluestem, chalky bluestem | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Andropogon intermedius (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Andropogon nodosus (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Andropogon sericeus (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Andropogon virginicus (Poaceae) | broomsedge, whisky grass, yellow bluestem | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Anemone hupehensis (Ranunculaceae) | Japanese anemone | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Anethum graveolens (Apiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Angelica sylvestris (Apiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Angelonia angustifolia (Scrophulariaceae) | angelonia, monkey face, narrowleaf angelon | NOT native to Hawaii | ?unresearched | ?unresearched |
| Angelonia salicariifolia (Scrophulariaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Angiopteris evecta (Marattiaceae) | giant fern, king's fern, mule's-foot fern | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Angophora costata (Myrtaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Anigozanthos flavidus (Haemodoraceae) | kangaroo paw | NOT native to Hawaii | ?unresearched | ?unresearched |
| Anigozanthos manglesii (Haemodoraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anisantha diandra (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aniseia martinicensis (Convolvulaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Annona cherimola (Annonaceae) | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Annona glabra (Annonaceae) | alligator apple, bullock's heart, cherimoyer, pond apple | NOT native to Hawaii | ?unresearched | ?unresearched |
| Annona muricata (Annonaceae) | prickly custard apple, soursop | NOT native to Hawaii | ?unresearched | ?unresearched |
| Annona reticulata (Annonaceae) | bullock's-heart, custard apple | NOT native to Hawaii | ?unresearched | ?unresearched |
| Annona squamosa (Annonaceae) | custard apple, sugar apple, sweetsop | NOT native to Hawaii | ?unresearched | ?unresearched |
| Anoda acerifolia (Malvaceae) | anoda | NOT native to Hawaii | ?unresearched | ?unresearched |
| Anodendron paniculatum (Apocynaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anoectangium aestivum (Pottiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Anoectangium skottsbergii (Pottiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anoectochilus sandvicensis (Orchidaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Anomatheca laxa (Iridaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anomobryum angustirete (Bryaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Anotrichium secundum (Ceramiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anotrichium tenue (Ceramiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anredera cordifolia (Basellaceae) | lamb's tails, Madeira vine, mignonette vine, ‘uala hūpē, uala hupe | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Anthemis arvensis (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anthemis cotula (Asteraceae) | foetid chamomile, mayweed | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Anthephora hermaphrodita (Poaceae) | old-field grass | (unresearched) | ?unresearched | ?unresearched |
| Anthoceros fuciformis (Anthocerotaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Anthoceros glandulosus (Anthocerotaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Anthoxanthum aristatum (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anthoxanthum odoratum (Poaceae) | spring grass, sweet vernalgrass | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Anthriscus caucalis (Apiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anthriscus sylvestris (Apiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Anthurium andraeanum (Araceae) | flamingo lily | NOT native to Hawaii | ?unresearched | ?unresearched |
| Anthurium andreanum (Araceae) | (unresearched) | ?unresearched | ?unresearched | |
| Antidesma platyphyllum (Euphorbiaceae) | hame | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Antidesma platyphyllum var. hillebrandii (Euphorbiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Antidesma platyphyllum var. platyphyllum (Euphorbiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Antidesma pulvinatum (Euphorbiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Antigonon leptopus (Polygonaceae) | bride's tears, chain-of-love, Confederate vine, coral bells, coral vine, coralita, corallita, hearts on a chain, love-vine, Mexican creeper, Mexican love vine, mountain rose, queen's jewels | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Antirrhinum majus (Scrophulariaceae) | snapdragon | NOT native to Hawaii | ?unresearched | ?unresearched |
| Antirrhinum orontium (Scrophulariaceae) | lesser snapdragon | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Antithamnion pectinatum (Ceramiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Antithamnionella spirographidis (Ceramiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Antithamnionella ternifolia (Ceramiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Apera interrupta (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aphanes arvensis (Rosaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aphanes microcarpa (Rosaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aphanothece naegelii (Chroococcaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Apium graveolens (Apiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Apium nodiflorum (Apiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Apium tenuifolium (Apiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aponogeton desertorum (Aponogetonaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aponogeton distachyos (Aponogetonaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aponogeton junceus subsp. junceus (Aponogetonaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aptenia cordifolia (Aizoaceae) | baby sun rose, dew plant, heartleaf iceplant, red apple, rock rose | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aquilegia vulgaris (Ranunculaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arachis pintoi (Fabaceae) | golden glory, ornamental ground peanut | NOT native to Hawaii | ?unresearched | ?unresearched |
| Arachniodes insularis (Drynariaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Aralia elata (Araliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aralia spinosa (Araliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Araucaria columnaris (Araucariaceae) | Cook pine | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Araucaria cunninghamii (Araucariaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Araucaria heterophylla (Araucariaceae) | Norfolk Island pine | NOT native to Hawaii | ?unresearched | ?unresearched |
| Araujia hortorum (Asclepiadaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Araujia sericifera (Asclepiadaceae) | bladder flower, cruelplant, moth catcher, moth plant, white bladder flower | NOT native to Hawaii | ?unresearched | ?unresearched |
| Arbutus unedo (Ericaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Archontophoenix alexandrae (Arecaceae) | Alexander palm, Alexandra palm, king palm, northern bungalow palm | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Archontophoenix cunninghamiana (Arecaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Archontophoenix sp. (Arecaceae) | Alexander palm | NOT native to Hawaii | PRESENT in Hawaii | ?unknown |
| Archontophoenix tuckeri (Arecaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arctium lappa (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arctium minus (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arctostaphylos insularis (Ericaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arctotheca calendula (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Arctotheca nivea (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arctotheca populifolia (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arctotheca prostrata (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arctotis stoechadifolia (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arctotis venusta (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ardisia crenata (Myrsinaceae) | Australian holly, coral ardisia, coral berry, hen's eyes, Hilo holly, scratchthroat, spiceberry | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Ardisia crenulata (Myrsinaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Ardisia crispa (Myrsinaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Ardisia elliptica (Myrsinaceae) | duck's eye, shoebutton ardisia | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Ardisia escallonioides (Myrsinaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ardisia humilis (Myrsinaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Ardisia solanacea (Myrsinaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Ardisia spp. (Myrsinaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Areca triandra (Arecaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Arecastrum romanzoffianum (Arecaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Arenaria interpres (Caryophyllaceae) | akekeke, ruddy turnstone | (unresearched) | ?unresearched | ?unresearched |
| Arenaria leptoclados (Caryophyllaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arenaria serpyllifolia (Caryophyllaceae) | thyme-leaved sandwort | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Arenaria serpyllifolia subsp. serpyllifolia (Caryophyllaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arenga pinnata (Arecaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Argemone glauca (Papaveraceae) | pua kala | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Argemone glauca var. decipiens (Papaveraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Argemone glauca var. glauca (Papaveraceae) | pua kala | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Argemone mexicana (Papaveraceae) | Mexican poppy, Mexican prickly-poppy, prickly poppy, yellow thistle | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Argemone ochroleuca (Papaveraceae) | Mexican poppy, pale Mexican poppy, prickly poppy, white thistle, yellow poppy | NOT native to Hawaii | ?unresearched | ?unresearched |
| Argemone ochroleuca subsp. ochroleuca (Papaveraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Argemone subfusiformis (Papaveraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Argyranthemum foeniculaceum (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Argyranthemum frutescens (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Argyranthemum sp. (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Argyreia nervosa (Convolvulaceae) | baby wood rose, elephant climber, elephant creeper, elephant vine, Hawaiian baby woodrose, silver morning glory, wood rose, woolly morning glory | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Argyroxiphium caliginis (Asteraceae) | Eke silversword | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Argyroxiphium grayanum (Asteraceae) | greensword | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Argyroxiphium kauense (Asteraceae) | ahinahina, Kau silversword | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Argyroxiphium sandwicense (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Argyroxiphium sandwicense subsp. macrocephalum (Asteraceae) | ahinahina, Haleakala silversword, hinahina | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Argyroxiphium sandwicense subsp. sandwicense (Asteraceae) | ahinahina, hinahina, Mauna Kea silversword | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Argyroxiphium virescens (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Argyroxiphium x Dubautia sp. (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arisarum vulgare (Araceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aristea ecklonii (Iridaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aristida adscensionis (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aristolochia durior (Aristolochiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aristolochia elegans (Aristolochiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aristolochia littoralis (Aristolochiaceae) | calico flower, Dutchman's pipe | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Aristolochia macrophylla (Aristolochiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aristolochia odoratissima (Aristolochiaceae) | duck, swan | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aristolochia ringens (Aristolochiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aronia melanocarpa (Rosaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aronia x prunifolia (Rosaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arrhenatherum elatius (Poaceae) | arrhenatherum | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Arrhenatherum elatius var. bulbosum (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Artabotrys hexapetalus (Annonaceae) | climbing ilang-ilang, climbing ylang-ylang, lanalana, lanalana, ylang-ylang | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Artemisia absinthium (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Artemisia annua (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Artemisia arborescens (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Artemisia australis (Asteraceae) | ahinahina, hinahina, hinahina kuahiwi | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Artemisia kauaiensis (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Artemisia ludoviciana (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Artemisia mauiensis (Asteraceae) | ahinahina, hinahina | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Artemisia mauiensis var. diffusa (Asteraceae) | ahinahina, hinahina | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Artemisia stelleriana (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Artemisia verlotiorum (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Artemisia vulgaris (Asteraceae) | common wormwood, hiya, mugwort | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Arthraxon hispidus (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arthrostema ciliatum () | arthrostema | (unresearched) | ?unresearched | ?unresearched |
| Arthrostemma ciliatum (Melastomataceae) | arthrostemma, everblooming eavender | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Artocarpus altilis (Moraceae) | breadfruit, breadnut, ‘ulu | NOT native to Hawaii | ?unresearched | ?unresearched |
| Artocarpus camansi (Moraceae) | breadnut | (unresearched) | ?unresearched | ?unresearched |
| Artocarpus communis (Moraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Artocarpus heterophyllus (Moraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Artocarpus mariannensis (Moraceae) | dugdug | (unresearched) | ?unresearched | ?unresearched |
| Artocarpus odoratissimus (Moraceae) | marang | NOT native to Hawaii | ?unresearched | ?unresearched |
| Arum italicum (Araceae) | (unresearched) | ?unresearched | ?unresearched | |
| Aruncus dioicus (Rosaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Arundina graminifolia (Orchidaceae) | bamboo orchid | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Arundinaria gigantea (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Arundinaria graminea (Poaceae) | bamboo | NOT native to Hawaii | ?unresearched | ?unresearched |
| Arundinaria spp. (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Arundo donax (Poaceae) | giant reed, Spanish reed, wild cane | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Arundo donax var. donax (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Ascarina lucida (Chloranthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Asclepias curassavica (Asclepiadaceae) | bastard ipecac, bloodflower, bloodflower milkweed, butterfly weed, false ipecac, lauhele, laulele, milkweed, nu‘umela, nuumela, pua ‘anuhe, pua anuhe, red cotton bush | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Asclepias incarnata (Asclepiadaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Asclepias physocarpa (Asclepiadaceae) | balloon plant | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Asclepias syriaca (Asclepiadaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aseroe rubra (Clathraceae) | starfish stinkhorn | (unresearched) | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Asparagopsis armata (Bonnemaisoniaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Asparagopsis taxiformis (Bonnemaisoniaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Asparagus aethiopicus (Liliaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Asparagus aethiopicus cv. Sprengeri (Liliaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Asparagus africanus (Liliaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Asparagus asparagoides (Liliaceae) | bridal creeper, bridal-veil creeper, gnarboola, smilax, smilax asparagus | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Asparagus declinatus (Liliaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Asparagus densiflorus (Liliaceae) | asparagus fern, coarse asparagus fern, regal fern, smilax, Sprenger's asparagus fern, sprengeri fern | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Asparagus falcatus (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Asparagus myriocladus (Liliaceae) | zigzag asparagus | NOT native to Hawaii | ?unresearched | ?unresearched |
| Asparagus officinalis (Liliaceae) | asparagus, garden asparagus | NOT native to Hawaii | ?unresearched | ?unresearched |
| Asparagus plumosus (Liliaceae) | asparagus fern | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Asparagus scandens (Liliaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Asparagus setaceus (Liliaceae) | asparagus fern, climbing asparagus fern, ferm asparagus, lace fern, lacy asparagus fern, ornamental asparagus, plumosa | NOT native to Hawaii | ?unresearched | ?unresearched |
| Asparagus virgatus (Liliaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Asperugo procumbens (Boraginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Asphodelus fistulosus (Asphodelaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Asplenium acuminatum (Aspleniaceae) | lola | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Asplenium adiantum-nigrum (Aspleniaceae) | iwaiwa | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Asplenium aethiopicum (Aspleniaceae) | iwaiwa a Kane | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Asplenium contiguum (Aspleniaceae) | asplenium | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Asplenium contiguum var. contiguum (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium contiguum var. hirtulum (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium excisum (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium haleakalense (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium hobdyi (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium horridum (Aspleniaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Asplenium horridum var. glabratum (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium horridum var. horridum (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium insiticium (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium kaulfussii f. bipinnatum (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium kaulfussii f. dareoides (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium kaulfussii f. gemmiparum (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium kaulfussii f. kaulfussii (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium lobulatum (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium macraei (Aspleniaceae) | iwaiwa lau lii | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Asplenium monanthes (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium nidus (Aspleniaceae) | ekaha | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Asplenium normale (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium pellucidum (Aspleniaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Asplenium peruvianum var. insulare (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium polyodon (Aspleniaceae) | punana manu | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Asplenium schizophyllum (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium sp. (Aspleniaceae) | asplenium | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Asplenium sphenotomum (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium trichomanes (Aspleniaceae) | maidenhair spleenwort | (unresearched) | ?unresearched | ?unresearched |
| Asplenium trichomanes subsp. densum (Aspleniaceae) | maidenhair spleenwort | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Asplenium unilaterale (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium x flagrum (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium x kokeense (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium x sphenocookii (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium x waikamoi (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium x_flagrum (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium x_kokeense (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium x_sphenocookii (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Asplenium x_waikamoi (Aspleniaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Aspris caryophyllea (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Astelia argyrocoma (Liliaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Astelia menziesiana (Liliaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Astelia waialealae (Liliaceae) | pa'iniu | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Aster hybridus (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aster laevis (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aster lanceolatus (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aster novae-angliae (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aster novi-belgii (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aster spp. (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aster squamatus (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aster subulatus (Asteraceae) | annual saltmarsh aster | NOT native to Hawaii | ?unresearched | ?unresearched |
| Aster tradescantii (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Aster x salignus (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Asterina anomala (Asterinaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Asterolinon linum-stellatum (Myrsinaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Asteronema breviarticulatum (Ectocarpaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Asteropsis carinifera (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Asystasia gangetica (Acanthaceae) | asystasia, Chinese violet, coromandel, Philippine violet | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Asystasia sp. (Acanthaceae) | asystasia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Athyrium microphyllum (Athyriaceae) | akolea | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Atriplex hortensis (Chenopodiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Atriplex lentiformis (Chenopodiaceae) | lens scale, quailbush, tree atriplex | NOT native to Hawaii | ?unresearched | ?unresearched |
| Atriplex patula (Chenopodiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Atriplex prostrata (Chenopodiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Atriplex rosea (Chenopodiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Atriplex semibaccata (Chenopodiaceae) | Australian saltbush | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Atriplex suberecta (Chenopodiaceae) | saltbush | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Atropa belladonna (Solanaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Atylosia scarabaeoides (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Auricularia polytricha (Auriculariaceae) | (unresearched) | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Austrocylindropuntia cylindrica (Cactaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Austroeupatorium inulaefolium (Asteraceae) | (no common names known by PIER) | (unresearched) | ?unresearched | ?unresearched |
| Austroeupatorium inulifolium (Asteraceae) | austroeupatorium | NOT native to Hawaii | ?unresearched | ?unresearched |
| Avellinia michelii (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Avena barbata (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Avena fatua (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Avena sativa (Poaceae) | oat, ‘oka | (unresearched) | ?unresearched | ?unresearched |
| Avena spp. (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Avena sterilis (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Avena sterilis subsp. ludoviciana (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Avena sterilis subsp. sterilis (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Avena strigosa (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Averrhoa bilimbi (Oxalidaceae) | bilimbi, cucumber tree, tree cucumber, tree sorrel | NOT native to Hawaii | ?unresearched | ?unresearched |
| Averrhoa carambola (Oxalidaceae) | carambola | NOT native to Hawaii | ?unresearched | ?unresearched |
| Avrainvillea amadelpha (Udoteaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Axonopus affinis (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Axonopus compressus (Poaceae) | American carpet grass, blanket grass, broadleaf carpet grass, carpet grass, lawn grass, Louisiana grass, tropical carpet grass, wide-leaved carpetgrass | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Axonopus fissifolius (Poaceae) | caratao grass, carpet grass, common carpet grass, narrow-leaved carpetgrass | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Axonopus micay (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Azadirachta indica (Meliaceae) | Indian lilac, margosa, neem, nim | NOT native to Hawaii | ?unresearched | ?unresearched |
| Azolla filiculoides (Azollaceae) | azolla, large mosquito fern | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Azolla filiculoides var. rubra (Azollaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Azolla imbricata (Azollaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Azolla pinnata (Azollaceae) | feathered waterfern, ferny azolla, mosquito fern, water velvet | NOT native to Hawaii | ?unresearched | ?unresearched |
| Azolla rubra (Azollaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Azolla spp. (Azollaceae) | mosquito fern | NOT native to Hawaii | ?unresearched | ?unresearched |
| Babiana angustifolia (Iridaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Babiana nana (Iridaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Babiana stricta (Iridaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Babiana tubulosa (Iridaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Babiana tubulosa var. tubiflora (Iridaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Baccharis halimifolia (Asteraceae) | consumption weed, eastern baccharis, groundsel bush, groundsel tree, Sea Island myrtle, sea myrtle, silverling, tree groundsel, waterbrush | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bacopa caroliniana (Scrophulariaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bacopa egensis (Scrophulariaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bacopa monnieri (Scrophulariaceae) | aeae | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bacopa procumbens (Scrophulariaceae) | baby jump-up | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bacopa rotundifolia (Scrophulariaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Baeckea virgata (Myrtaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Baeometra uniflora (Colchicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Baldwiniella kealeensis (Neckeraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Baldwiniella sandwicensis (Neckeraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Ballota nigra subsp. foetida (Lamiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bambusa balcooa (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bambusa guadua (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bambusa multiplex (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bambusa sp. (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bambusa spp. (Poaceae) | bamboo | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bambusa ventricosa (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bambusa vulgaris (Poaceae) | common bamboo | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bangia atropurpurea (Bangiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Banksia caleyi (Proteaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Banksia integrifolia (Proteaceae) | coast banksia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Banksia menziesii (Proteaceae) | banksia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Banksia sp. (Proteaceae) | Menzies banksia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Banksia spp. (Proteaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Barbarea intermedia (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Barbarea orthoceras (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Barbarea sp. (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Barbarea verna (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Barbarea vulgaris (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Barbella trichophora (Meteoriaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Barbellopsis trichophora (Meteoriaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Barbula indica (Pottiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Barleria cristata (Acanthaceae) | bluebell barleria, crested Philippine violet, Philippine violet | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Barleria cristata cv. Rosea (Acanthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Barleria lupulina (Acanthaceae) | hophead, Philippine violet | NOT native to Hawaii | ?unresearched | ?unresearched |
| Barleria prionitis (Acanthaceae) | barleria, porcupine flower | NOT native to Hawaii | ?unresearched | ?unresearched |
| Barleria repens (Acanthaceae) | barleria | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Barleria spp. (Acanthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Barleria strigosa (Acanthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Barringtonia asiatica (Lecythidaceae) | barringtonia, hotu, hutu, shaving brush tree | NOT native to Hawaii | ?unresearched | ?unresearched |
| Barringtonia procera (Lecythidaceae) | cutnut | (unresearched) | ?unresearched | ?unresearched |
| Bartlettina sordida (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bartramia baldwinii (Bartramiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bartramia halleriana (Bartramiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bartramia mauiensis (Bartramiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bartramia norvegica (Bartramiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bartsia trixago (Orobanchaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Basella alba (Basellaceae) | Ceylon spinach, Indian spinach, ‘īnika, Malabar nightshade, Malabar spinach, vine spinach | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bassia hyssopifolia (Chenopodiaceae) | bassia | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bassia scoparia (Chenopodiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Batis maritima (Bataceae) | akulikuli kai, pickleweed | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Batrachium trichophyllum (Ranunculaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Batrachochytrium dendrobatidis (Fungi) | amphibian chytrid, chytrid fungus | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bauhinia acuminata (Fabaceae) | dwarf white bauhinia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bauhinia binata (Fabaceae) | bauhinia | (unresearched) | ?unresearched | ?unresearched |
| Bauhinia blakeana (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bauhinia galpinii (Fabaceae) | pride of the Cape | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bauhinia monandra (Fabaceae) | mariposa, Napoleon's plume, orchid tree, pink bauhinia, pink butterfly tree, St. Thomas-tree | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bauhinia purpurea (Fabaceae) | bauhinia, butterfly tree, orchid tree, pink butterfly tree, purple bauhinia, purple butterfly tree, purple orchid tree | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bauhinia sp. (Fabaceae) | bauhinia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bauhinia variegata (Fabaceae) | bauhinia, butterfly tree, mountain ebony, orchid tree, purple orchid tree, white bauhinia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bazzania praerupta (Lepidoziaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Beaumontia grandiflora (Apocynaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Beckmannia syzigachne (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Begonia cucullata (Begoniaceae) | clubed begonia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Begonia foliosa (Begoniaceae) | fuchsia begonia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Begonia fusca (Begoniaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Begonia hirtella (Begoniaceae) | begonia, Brazilian begonia | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Begonia maculata (Begoniaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Begonia odorata (Begoniaceae) | begonia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Begonia rex (Begoniaceae) | king begonia, painted-leaf begonia, rex begonia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Begonia semperflorens-cultorum (Begoniaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Begonia sp. (Begoniaceae) | begonia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Begonia vitifolia (Begoniaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Begonia x semperflorens-cultorum (Begoniaceae) | bedding begonia, perpetual begonia, wax begonia | NOT native to Hawaii | ?unresearched | ?unresearched |
| Begonia x_semperflorens-cultorum (Begoniaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Beilschmiedia tarairi (Lauraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bellardia trixago (Orobanchaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bellis perennis (Asteraceae) | daisy, English daisy, lawn daisy | (unresearched) | ?unresearched | ?unresearched |
| Berberis aristata (Berberidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Berberis darwinii (Berberidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Berberis glaucocarpa (Berberidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Berberis japonica (Berberidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Berberis sp. (Berberidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Berberis thunbergii (Berberidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Berberis vulgaris (Berberidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Berchemia zeyheri (Rhamnaceae) | pau-rosa, pink ivory, red ivory, red ivorywood | NOT native to Hawaii | ?unresearched | ?unresearched |
| Berkheya rigida (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Berteroa incana (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Berula erecta (Apiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Beta vulgaris (Chenopodiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Beta vulgaris subsp. maritima (Chenopodiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Betula lenta (Betulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Betula nigra (Betulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Betula pendula (Betulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Betula pubescens (Betulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Biddulphia biddulphiana (Coscinodiscineae) | (unresearched) | ?unresearched | ?unresearched | |
| Biddulphia laevis (Coscinodiscineae) | (unresearched) | ?unresearched | ?unresearched | |
| Biddulphiopsis titiana (Biddulphiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bidens alba (Asteraceae) | beggar's tick, beggartick, burr marigold, cobbler's pegs, romerillo, Spanish needle | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bidens alba var. radiata (Asteraceae) | beggartick | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bidens amplectens (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens asymmetrica (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens beckii (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bidens bipinnata (Asteraceae) | bipinnate beggar's tick, cobbler's pegs, Spanish needle | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bidens campylotheca (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bidens campylotheca subsp. campylotheca (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens campylotheca subsp. pentamera (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens campylotheca subsp. waihoiensis (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens cernua (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bidens cervicata (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens comosa (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bidens conjuncta (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens cosmoides (Asteraceae) | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Bidens cynapiifolia (Asteraceae) | beggar's tick, blue bidens | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bidens forbesii (Asteraceae) | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Bidens forbesii subsp. forbesii (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens forbesii subsp. kahiliensis (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens frondosa (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bidens hawaiensis (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens hillebrandiana (Asteraceae) | kookoolau | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bidens hillebrandiana subsp. hillebrandiana (Asteraceae) | ko'oko'olau | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bidens hillebrandiana subsp. polycephala (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens macrocarpa (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens mauiensis (Asteraceae) | kookoolau | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bidens menziesii (Asteraceae) | kookoolau | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Bidens menziesii subsp. filiformis (Asteraceae) | kookoolau | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Bidens menziesii subsp. menziesii (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens menziesii x mauiense (Asteraceae) | kookoolau hybrid | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Bidens micrantha (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens micrantha subsp. ctenophylla (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens micrantha subsp. kalealaha (Asteraceae) | kookoolau | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bidens micrantha subsp. micrantha (Asteraceae) | kookoolau | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Bidens molokaiensis (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens pilosa (Asteraceae) | beggar's tick, broom stick, broom stuff, cobbler's pegs, devil's needles, kī, ki, kī nehe, ki nehe, kī pipili, ki pipili, nehe, Spanish needle, spanish needle | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bidens pilosa var. pilosa (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bidens polylepis (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bidens populifolia (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens sandvicensis (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bidens sandvicensis subsp. confusa (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens sandvicensis subsp. sandvicensis (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens torta (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens tripartita (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bidens valida (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bidens wiebkei (Asteraceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Billardiera heterophylla (Pittosporaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bischofia javanica (Euphorbiaceae) | bischofia, bishopwood, Javanese bishopwood | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bismarckia nobilis (Arecaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bixa orellana (Bixaceae) | ‘alaea, alaea, ‘alaea la‘au, alaea laau, annato, annatto, arnatto, kūmauna, kumauna, lipstick tree | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Blainvillea gayana (Asteraceae) | (no common names known by PIER) | NOT native to Hawaii | ?unresearched | ?unresearched |
| Blastophysa rhizopus (Chaetosiphonaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Blechnum gibbum (Blechnaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Blechnum occidentale (Blechnaceae) | hammock fern, New World midsorus fern | (unresearched) | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Blechnum orientale (Blechnaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Blechum pyramidata (Acanthaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Blechum pyramidatum (Acanthaceae) | blackweed, blechum, Browne's blechum, green shrimp plant | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Blighia sapida (Sapindaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Blumea laciniata (Asteraceae) | cutleaf false oxtongue | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Blyxa aubertii (Hydrocharitaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Blyxa aubertii var. echinosperma (Hydrocharitaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Blyxa japonica (Hydrocharitaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bobea brevipes (Rubiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bobea elatior (Rubiaceae) | ahakea | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Bobea sandwicensis (Rubiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bobea timonioides (Rubiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bocconia frutescens (Papaveraceae) | bocconia, parrotweed, plume poppy, tree celandine, tree poppy | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Boehmeria grandis (Urticaceae) | akolea | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Boehmeria macrophylla (Urticaceae) | African jolanettle, false nettle | NOT native to Hawaii | ?unresearched | ?unresearched |
| Boehmeria nivea (Urticaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Boerhavia acutifolia (Nyctaginaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Boerhavia coccinea (Nyctaginaceae) | boerhavia, hog feed, hogweed, red spiderling, scarlet spiderling, tar vine, wineflower | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Boerhavia erecta (Nyctaginaceae) | erect boerhavia, erect spiderling | NOT native to Hawaii | ?unresearched | ?unresearched |
| Boerhavia glabrata (Nyctaginaceae) | alena | (unresearched) | ?unresearched | ?unresearched |
| Boerhavia herbstii (Nyctaginaceae) | alena | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Boerhavia repens (Nyctaginaceae) | alena | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Boerhavia schomburgkiana (Nyctaginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Boerhavia sp. (Nyctaginaceae) | alena | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Bolboschoenus caldwellii (Cyperaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bolboschoenus fluviatilis (Cyperaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bolboschoenus maritimus (Cyperaceae) | kaluha | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bolboschoenus maritimus subsp. paludosus (Cyperaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bomarea multiflora (Liliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bombax ceiba (Bombacaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bonamia menziesii (Convolvulaceae) | bonamia | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bonnemaisonia hamifera (Bonnemaisoniaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Boodlea composita (Siphonocladaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Boodlea montagnei (Siphonocladaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Borago officinalis (Boraginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bornetella sphaerica (Dasycladaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Borreria verticillata (Rubiaceae) | shrubby false-buttonweed | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bothriochloa barbinodis (Poaceae) | fuzzy top | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bothriochloa bladhii (Poaceae) | airport grass, Australian beadgrass, Australian bluestem, blue grass, Caucasian bluestem, forest bluegrass, plains bluegrass, purple plume grass | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bothriochloa decipiens (Poaceae) | pitted bluegrass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bothriochloa insculpta (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bothriochloa ischaemum (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bothriochloa ischaemum var. songarica (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bothriochloa laguroides (Poaceae) | beardgrass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bothriochloa pertusa (Poaceae) | hurricane grass, Indian couch grass, pitted beardgrass, pitted bluestem | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bothriochloa saccharoides (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bothriochloa sp. (Poaceae) | beargrass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bothriochloa spp. (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Botryocladia skottsbergii (Rhodymeniaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Botryocladia tenuissima (Rhodymeniaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bougainvillea buttiana (Nyctaginaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bougainvillea glabra (Nyctaginaceae) | bougainvillea | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bougainvillea sp. (Nyctaginaceae) | bougainvillea | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bougainvillea spectabilis (Nyctaginaceae) | bougainvillea, great bougainvillea, purple bougainvillea | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bougainvillea spp. (Nyctaginaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Boussingaultia cordifolia (Basellaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bouteloua aristidoides (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bouteloua disticha (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Brachiaria brizantha (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brachiaria decumbens (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brachiaria decumbens cv. Basilisk (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brachiaria eruciformis (Poaceae) | sweet signal grass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Brachiaria humidicola (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brachiaria mutica (Poaceae) | California grass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Brachiaria paspaloides (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brachiaria plantaginea (Poaceae) | brachiaria | NOT native to Hawaii | ?unresearched | ?unresearched |
| Brachiaria ramosa (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brachiaria subquadripara (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brachpodium distachyson () | (unresearched) | ?unresearched | ?unresearched | |
| Brachychiton acerifolius (Sterculiaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Brachychiton populneus (Sterculiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brachychiton populneus subsp. populneus (Sterculiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brachycome multifida (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Brachymenium exile (Bryaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Brachymenium indicum (Bryaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Brachypodium distachyon (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brachypodium pinnatum (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brachypodium sylvaticum (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brachythecium hawaiicum (Brachytheciaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Brachythecium lamprocarpum (Brachytheciaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Brachythecium plumosum (Brachytheciaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Brachythecium rutabulum (Brachytheciaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bracteantha bracteata (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Brasenia schreberi (Nymphaeaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brassica alba (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brassica arvensis (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brassica barrelieri subsp. oxyrrhina (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brassica campestris subsp. chinensis (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brassica fruticulosa (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brassica hirta (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brassica juncea (Brassicaceae) | brown mustard, Chinese mustard, India mustard, Indian mustard, mustard, mustard cabbage, Oriental mustard | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Brassica kaber (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brassica napus (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brassica nigra (Brassicaceae) | black mustard, makeke | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Brassica oleracea (Brassicaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Brassica rapa (Brassicaceae) | birdsrape mustard, colbaga, turnip, tyfon, wild turnip | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Brassica rapa subsp. sylvestris (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brassica spp. (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brassica tournefortii (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Breutelia affinis (Bartramiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Breutelia arundinifolia (Bartramiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Breutelia crassicaulis (Bartramiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Breutilia crassicaulis (Bartramiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brexia madagascariensis (Grossulariaceae) | brexia | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Breynia disticha (Euphorbiaceae) | foliage-flower, leaf-flower of the Pacific Islands, snowbush, snowbush breynia, summer snow, sweetpea bush | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Breynia disticha var. rosi-picta (Euphorbiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brickellia californica (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brickellia diffusa (Asteraceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Brighamia insignis (Campanulaceae) | alula, haha, olulu, pu aupaka | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Brighamia rockii (Campanulaceae) | alula, haha, pua ala | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Brighamia sp. (Campanulaceae) | brighamia | NATIVE to Hawaii | ?unresearched | ?unresearched |
| Brillantaisia lamium (Acanthaceae) | (no common names known by PIER) | NOT native to Hawaii | ?unresearched | ?unresearched |
| Briza maxima (Poaceae) | big quaking grass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Briza minor (Poaceae) | little quaking grass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bromelia pinguin (Bromeliaceae) | pinguin, wild pine | (unresearched) | ?unresearched | ?unresearched |
| Bromeliaceae spp. (Bromeliaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bromus arvensis (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus brizaeformis (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus briziformis (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus catharticus (Poaceae) | rescue grass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bromus cebadilla (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus commutatus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus diandrus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus diandrus var. rigidus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus erectus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus hordeaceus (Poaceae) | soft chess | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bromus hordeaceus subsp. hordeaceus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus inermis (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus japonicus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus japonicus var. japonicus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus japonicus var. vestitus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus lanceolatus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus lithobius (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus madritensis (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus madritensis subsp. rubens (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus mollis (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus racemosus subsp. commutatus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus rigidus (Poaceae) | ripgut grass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bromus rigidus subsp. gussonei (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus rubens (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus secalinus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus spp. (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus squarrosus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus stamineus (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus sterilis (Poaceae) | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Bromus tectorum (Poaceae) | cheat grass | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Bromus vulgaris (Poaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bromus willdenowii (Poaceae) | rescue grass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Brotherella opaeodon (Sematophyllaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Broussaisia arguta (Hydrangeaceae) | kanawao | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Broussenetia papyrifera () | (unresearched) | ?unresearched | ?unresearched | |
| Broussonetia luzonica (Moraceae) | alakon | NOT native to Hawaii | ?unresearched | ?unresearched |
| Broussonetia papyrifera (Moraceae) | wauke | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Browallia americana (Solanaceae) | bush violet | NOT native to Hawaii | ?unresearched | ?unresearched |
| Brucea javanica (Simaroubaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brugmansia candida (Solanaceae) | angel's trumpet, borrachero, nānāhonua, white angel's-trumpet | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Brugmansia suaveolens (Solanaceae) | angel's trumpet, night bells, trumpet flower | NOT native to Hawaii | ?unresearched | ?unresearched |
| Brugmansia versicolor (Solanaceae) | peach angel's-trumpet | (unresearched) | ?unresearched | ?unresearched |
| Brugmansia x candida (Solanaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bruguiera gymnorrhiza (Rhizophoraceae) | NOT native to Hawaii | PRESENT in Hawaii | ?unresearched | |
| Brunfelsia australis (Solanaceae) | yesterday today and tomorrow plant | NOT native to Hawaii | ?unresearched | ?unresearched |
| Brunfelsia grandiflora (Solanaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brunfelsia pauciflora var. calycina (Solanaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Brunfelsia sp. (Solanaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bryoerythrophyllum recurvirostre (Pottiaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bryohaplocladium microphyllum (Leskeaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bryonia alba (Cucurbitaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bryonia dioica (Cucurbitaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bryophyllum beauverdii (Crassulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bryophyllum daigremontianum (Crassulaceae) | devil's backbone, Mexican hat plant, mother of millions | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bryophyllum daigremontianum x delagoense (Crassulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bryophyllum delagoense (Crassulaceae) | chandelier plant, friendly neighbor, mother of thousands | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bryophyllum fedtschenkoi (Crassulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bryophyllum gastonis-bonnieri (Crassulaceae) | donkey ears, palm beachbells | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bryophyllum pinnatum (Crassulaceae) | air plant, Canterbury bells, cathedral bells, life plant, Mexican love plant, miracle plant, ‘oliwa ku kahakai, resurrection plant | NOT native to Hawaii | ?unresearched | ?unresearched |
| Bryophyllum spp. (Crassulaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Bryopsis hypnoides (Bryopsidaceae) | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Bryopsis pennata (Bryopsidaceae) | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Bryopsis pennata f. secunda (Bryopsidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bryopsis spp. (Bryopsidaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bryum argenteum (Bryaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bryum atrovirens (Bryaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bryum baldwinii (Bryaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bryum caespiticium (Bryaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bryum chrysoneuron (Bryaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bryum conicum (Bryaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bryum crassicostatum (Bryaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bryum decaisnei (Bryaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bryum erythrocarpum (Bryaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bryum hawaiicum (Bryaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bryum lisae (Bryaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bryum mauiense (Bryaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bryum megalostegium (Bryaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bryum mildeanum (Bryaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Bryum pseudocapillare (Bryaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bucida buceras (Combretaceae) | jucaro | NOT native to Hawaii | ?unresearched | ?unresearched |
| Buckiella draytonii (Hypnaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Buddleja alternifolia (Buddlejaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Buddleja asiatica (Buddlejaceae) | dog tail, huelo ‘ilio, huelo ilio | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Buddleja davidii (Buddlejaceae) | buddleia, butterfly bush, orange eye, summer lilac | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Buddleja dysophylla (Buddlejaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Buddleja lindleyana (Buddlejaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Buddleja madagascariensis (Buddlejaceae) | butterfly bush, smoke bush | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Buglossoides arvensis (Boraginaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bulbostylis barbata (Cyperaceae) | hair sedge | (unresearched) | ?unresearched | ?unresearched |
| Bulbostylis densa (Cyperaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bulbostylis striatella (Cyperaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bulweria bulwerii (Bignoniaceae) | Bulwer's petrel | (unresearched) | ?unresearched | ?unresearched |
| Bunias orientalis (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bupleurum rotundifolium (Apiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bupleurum semicompositum (Apiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Burnatia enneandra (Alismataceae) | (unresearched) | ?unresearched | ?unresearched | |
| Bursera simaruba (Burseraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Butomus umbellatus (Butomaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Buxus sempervirens (Buxaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Cabomba caroliniana (Cabombaceae) | cabomba, Carolina fanwort, Carolina water-shield, fanwort, fish-grass, Washington plant, Washington-grass | NOT native to Hawaii | ?unresearched | ?unresearched |
| Caesalpinia bonduc (Fabaceae) | beach nicker, bonduc, divi-divi, gray nickers, hihikolo, kākalaioa, nicker bean, wait-a-bit, yellow nickers | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Caesalpinia decapetala (Fabaceae) | cat's claw, Mauritius thorn, Mysore thorn, puakelekino, wait-a-bit | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Caesalpinia gilliesii (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Caesalpinia kavaiense (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Caesalpinia kavaiensis (Fabaceae) | uhiuhi | NATIVE to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Caesalpinia major (Fabaceae) | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii | |
| Caesalpinia pulcherrima (Fabaceae) | Barbados flower-fence, Barbados-pride, bird of paradise, dwarf poinciana, flower-fence, ohai alii, paradise-flower, pride of Barbados | NOT native to Hawaii | ?unresearched | ?unresearched |
| Caesalpinia sappan (Fabaceae) | Brazilwood, sappan, sappanwood | (unresearched) | ?unresearched | ?unresearched |
| Caesalpinia sepiaria (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Cajanus cajan (Fabaceae) | Congo pea, pī nūnū, pī Pokoliko, pigeon pea, red gram, yellow dhal | NOT native to Hawaii | ?unresearched | ?unresearched |
| Cajanus scarabaeoides (Fabaceae) | peanut grass, tropical clover | NOT native to Hawaii | ?unresearched | ?unresearched |
| Cakile edentula (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Cakile maritima (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Cakile maritima subsp. maritima (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Caladium bicolor (Araceae) | artist's pallet, caladium, elephant's-ear, fancy-leaf caladium, heart-of-Jesus | NOT native to Hawaii | ?unresearched | ?unresearched |
| Calamagrostis epigeios (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calamagrostis epigejos (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calamagrostis expansa (Poaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Calamagrostis hillebrandi (Poaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calamagrostis hillebrandii (Poaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Calamus spp. (Arecaceae) | rattan | NOT native to Hawaii | ?unresearched | ?unresearched |
| Calandrinia ciliata (Portulacaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calandrinia menziesii (Portulacaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calathea majestica (Marantaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calathea picturata (Marantaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calathea roseopicta (Marantaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Calathea zebrina (Marantaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Calendula arvensis (Asteraceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calepina irregularis (Brassicaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calibrachoa sp. (Solanaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Calicotome spinosa (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callaeum macropterum (Malpighiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calliandra calothyrsus (Fabaceae) | powderpuff, red calliandra | NOT native to Hawaii | ?unresearched | ?unresearched |
| Calliandra calothyrus (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calliandra haematocephala (Fabaceae) | blood red tassel flower, red powder puff, red powderpuff | NOT native to Hawaii | ?unresearched | ?unresearched |
| Calliandra houstoniana (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calliandra houstoniana var. calothyrsus (Fabaceae) | tree calliandra | NOT native to Hawaii | ?unresearched | ?unresearched |
| Calliandra sp. (Fabaceae) | calliandra | NOT native to Hawaii | ?unresearched | ?unresearched |
| Calliandra spp. (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calliandra surinamensis (Fabaceae) | Surinamese stickpea | NOT native to Hawaii | ?unresearched | ?unresearched |
| Callicarpa americana (Verbenaceae) | American beautyberry | NOT native to Hawaii | ?unresearched | ?unresearched |
| Callicarpa dichotoma (Verbenaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callicarpa spp. (Verbenaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callisia fragrans (Commelinaceae) | basket plant, basketplant, fragrant inch plant, spironema | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Callisia repens (Commelinaceae) | inch plant | NOT native to Hawaii | ?unresearched | ?unresearched |
| Callistachys lanceolata (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callistemon citrinus (Myrtaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Callistemon rigidus (Myrtaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callistemon rugulosus (Myrtaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callistemon sp. (Myrtaceae) | bottle brush | NOT native to Hawaii | ?unresearched | ?unresearched |
| Callistemon viminalis (Myrtaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Callistopteris baldwinii (Hymenophyllaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Callithamnion byssoides (Ceramiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callitriche deflexa (Callitrichaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callitriche hamulata (Callitrichaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callitriche stagnalis (Callitrichaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callitriche verna (Callitrichaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callitris columellaris (Cupressaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callitris endlicheri (Cupressaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callitris glaucophylla (Cupressaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callitris rhomboidea (Cupressaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callitris robusta (Cupressaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Callitris sp. (Cupressaceae) | NOT native to Hawaii | ?unresearched | ?unresearched | |
| Callitris verrucosa (Cupressaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calluna vulgaris (Ericaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calocedrus decurrens (Cupressaceae) | Incense cedar | NOT native to Hawaii | ?unresearched | ?unresearched |
| Calophyllum antillanum (Clusiaceae) | Alexandrian laurel, Antilles calophyllum, beauty leaf, calaba, galba, Indian laurel, kamani, Santa Maria tree | NOT native to Hawaii | ?unresearched | ?unresearched |
| Calophyllum calaba (Clusiaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calophyllum inophyllum (Clusiaceae) | kamani | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Calopogonium caeruleum (Fabaceae) | calopo, calopogonium, jicama | NOT native to Hawaii | ?unresearched | ?unresearched |
| Calopogonium mucunoides (Fabaceae) | calopo, calopogonium | NOT native to Hawaii | ?unresearched | ?unresearched |
| Calothamnus graniticus (Myrtaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calothamnus quadrifidus (Myrtaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calothamnus validus (Myrtaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calothrix confervicola (Rivulariaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calotis lappulacea (Asteraceae) | bur daisy, yellow burr daisy | NOT native to Hawaii | ?unresearched | ?unresearched |
| Calotropis gigantea (Asclepiadaceae) | bowstring hemp, calotrope, crown flower, crownplant, giant milkweed, madar, puakalaunu | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Calotropis procera (Asclepiadaceae) | akund, apple of Sodom, auricula tree, king's crown, madar, mudar, roostertree, rubber bush, small crown flower, small crownflower, Sodom apple, Sodom's milkweed, swallowwort | NOT native to Hawaii | ?unresearched | ?unresearched |
| Calycotome spinosa (Fabaceae) | (unresearched) | ?unresearched | ?unresearched | |
| Calymperes fasciculatum (Calymperaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Calymperes tenerum (Calymperaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Calymperopsis semiliber (Calymperaceae) | NATIVE to Hawaii | ?unresearched | ?unresearched | |
| Calyptocarpus vialis (Asteraceae) | calyptocarpus, straggler daisy | NOT native to Hawaii | PRESENT in Hawaii | ESTABLISHED in Hawaii |
| Calystegia pulchra (Convolvulaceae) | (unresearched) | ?unresearched |