Pacific Island Ecosystems at Risk (PIER)
Risk Assessments
| Scientific Name | Family | Common name | Risk assessment | Country or Area | Score | Recommendation |
|
Abelia x grandiflora |
Caprifoliaceae |
glossy abelia |
Pacific |
-13 |
low risk |
|
| Abies fraseri | Pinaceae | Fraser fir | Assessment | Pacific | 3 | evaluate |
| Abies grandis | Pinaceae | grand fir | Assessment | Pacific | 1 | evaluate |
| Abies guatemalensis | Pinaceae | Guatemalan Fir | Assessment | Pacific | -2 | low risk |
| Abies nordmanniana | Pinaceae | Nordmann fir | Assessment | Pacific | 2 | evaluate |
| Abies procera | Pinaceae | noble fir | Assessment | Pacific | 1 | evaluate |
| Abies religiosa | Pinaceae | sacred fir | Assessment | Pacific | -2 | low risk |
| Abrus precatorius | Fabaceae | rosary pea | Assessment | U.S. (Florida) | 16 | reject |
| Abutilon grandifolium | Malvaceae | Hairy abutilon | Assessment | Pacific | 6 | low risk* |
| Abutilon megapotamicum | Malvaceae | trailing abutilon | Assessment | U.S. (Florida) | 2 | evaluate |
| Abutilon hirtum | Malvaceae | Florida Keys Indian mallow | Assessment | U.S. (Florida) | 5 | reject* |
| Abutilon theophrasti | Malvaceae | velvet leaf | Assessment | Australia | 15 | reject |
| Acacia auriculiformis | Fabaceae | earleaf acacia | Assessment | Pacific | 13 | high risk |
| Acacia cochliacantha | Fabaceae | boat thorn acacia | Assessment | Pacific | 10 | high risk |
| Acacia confusa | Fabaceae | Formosan koa | Assessment | Pacific | 10 | high risk |
|
Fabaceae |
northern wattle |
Pacific |
7 |
high risk |
||
| Acacia dealbata | Fabaceae | silver wattle | Assessment | Pacific | 22 | high risk |
| Acacia farnesiana | Fabaceae | fragrant acacia | Assessment | Pacific | 14 | high risk |
| Acacia holosericea | Fabaceae | candelabra wattle | Assessment | Pacific | 4 | evaluate |
| Acacia insuavis | Fabaceae | pak la | Assessment | Pacific | 5 | evaluate |
| Acacia longifolia | Fabaceae | Sydney golden wattle | Assessment | Pacific | 10 | high risk |
| Acacia mangium | Fabaceae | mangium | Assessment | Pacific | 8 | high risk |
| Acacia mearnsii | Fabaceae | black wattle | Assessment | Pacific | 15 | high risk |
| Acacia melanoxylon | Fabaceae | blackwood acacia | Assessment | Pacific | 12 | high risk |
| Acacia nilotica | Fabaceae | black thorn | Assessment | Australia | 13 | reject |
| Acacia nilotica | Fabaceae | black thorn | Assessment | Pacific | 14 | high risk |
| Acacia nilotica | Fabaceae | black thorn | Assessment | United States | medium-high risk | |
|
Fabaceae |
Parramatta green wattle |
Pacific |
9 |
high risk |
||
| Acacia podalyriifolia | Fabaceae | Queensland silver wattle | Assessment | Pacific | 12 | high risk |
| Acacia pycnantha | Fabaceae | broadleaf wattle | Assessment | Pacific | 16 | high risk |
| Accacia retinodes |
Fabaceae |
water wattle | Assessment |
Pacific |
8 |
high risk |
| Acacia robusta | Fabaceae | splendid acacia | Assessment | Pacific | 7 | high risk |
| Acacia saligna | Fabaceae | Port Jackson wattle | Assessment | Pacific | 17 | high risk |
| Acca sellowiana | Myrtaceae | pineapple guava | Assessment | Pacific | 5 | evaluate |
| Acca sellowiana | Myrtaceae | pineapple guava | Assessment | U.S. (Florida) | 5 | evaluate |
| Acacia stenophylla | Fabaceae | river cooba |
Pacific |
-2 | low risk* | |
|
Acalypha godseffiana |
Euphorbiaceae |
acalypha |
Pacific |
-7 |
low risk |
|
|
Acalypha hispida |
Euphorbiaceae |
chenille plant |
Pacific |
2 |
low risk* |
|
| Acalypha setosa | Euphorbiaceae | Cuban copperleaf | Assessment | U.S. (Florida) | 0 | accept |
| Acalypha siamensis | Euphorbiaceae | wild tea | Assessment | U.S. (Florida) | 3 | accept* |
|
Acalypha wilkesiana |
Euphorbiaceae |
beefsteak plant |
Pacific |
-2 |
low risk |
|
| Acer rubrum | Aceraceae | red maple | Assessment | Pacific | 8 | high risk |
| Achillea millefolium | Asteraceae | common yarrow | Assessment | Pacific | 19 | high risk |
| Acmella grandiflora | Asteraceae | Acmella | Assessment | Pacific | 0 | low risk |
| Acnistus arborescens | Solanaceae | hollowheart | Assessment | Pacific | 2 | evaluate |
| Acokanthera schimperi | Apocynaceae | common-poisonbush | Assessment | Pacific | 6 | evaluate |
|
Arecaceae |
Everglades palm |
Pacific |
2 |
evaluate |
||
| Actinidia polygama | Actinidiaceae | silvervine | Assessment | Pacific | 2 | evaluate |
|
Adansonia digitata |
Bombacaceae |
baobab tree |
Pacific |
-6 |
low risk |
|
| Adansonia rubrostipa | Bombacaceae | fony baobab | Assessment | U.S. (Florida) | -7 | accept |
| Adansonia suarezensis | Bombacaceae | Suarez baobab | Assessment | U.S. (Florida) | -7 | accept |
| Adenanthera pavonina | Fabaceae | red bead tree | Assessment | Pacific | 7 | high risk |
| Adiantopsis chlorophylla | Pteridaceae | Assessment | U.S. (Florida) | 2 | accept* | |
| Adiantum raddianum | Pteridaceae | delta maidenhair | Assessment | Pacific | 15 | high risk |
| Adiantum thalictroides | Pteridaceae | meadow-rue maidenhair fern | Assessment | U.S. (Florida) | 4 | accept* |
|
Adenium obesum |
Apocynaceae |
desert rose |
Pacific |
-8 |
low risk |
|
| Aechmea blanchetiana | Bromeliaceae | orange blanchetiana | Assessment | Pacific | 0 | low risk |
| Aechmea fasciata | Bromeliaceae | urn plant | Assessment | Pacific | 2 | low risk* |
| Aeschynomene americana | Fabaceae | American joint vetch | Assessment | Pacific | 12 | high risk |
| Aesculus californica | Hippocastanaceae | California buckeye | Assessment | Pacific | 0 | low risk |
| Afrocarpus falcatus | Podpcar[aceae | bastard yellow wood | Assessment | Pacific | 0 | low risk |
| Agapanthus africanus | Liliaceae | lily of the Nile | Assessment | Pacific | 2.5 | low risk* |
| Agapanthus praecox | Liliaceae | common Agapanthus | Assessment | Pacific | 12 | high risk |
|
Agathis robusta |
Araucariaceae |
Queensland kauri |
Pacific |
-5 |
low risk |
|
| Agave americana | Agavaceae | American century plant | Assessment | Pacific | 12 | high risk |
| Agave americana | Agavaceae | century plant | Assessment | U.S. (Florida) | 14 | reject |
| Agave filifera | Agavaceae | thread-leaf agave | Assessment | U.S. (Florida) | -1 | accept |
| Ageratina riparia | Asteraceae | mistflower | Assessment | Australia | 26 | reject |
| Ageratina riparia | Asteraceae | mistflower | Assessment | United States | medium-high risk | |
|
Aglaia odorata |
Meliaceae |
Chinese perfume plant |
Pacific |
-4 |
low risk |
|
|
Araceae |
Aglaonema |
Pacific |
1 |
low risk* |
||
|
Aglaonema nitidum |
Araceae |
Aglaonema |
Pacific |
0 |
low risk |
|
| Agonis flexuosa | Myrtaceae | willow myrtle | Assessment | Pacific | 7 | high risk |
| Agrostemma githago | Caryophyllaceae | common corncockle | Assessment | U.S. (Florida) | 9 | reject |
| Agrostis stolonifera | Poaceae | carpet bentgrass | Assessment | Pacific | 19 | high risk |
| Ailanthus altissima | Simaroubaceae | tree of heaven | Assessment | Australia | 12 | reject |
| Ailanthus altissima | Simaroubaceae | tree of heaven | Assessment | Pacific | 21 | high risk |
| Aira caryophyllea | Poaceae | silver hairgrass | Assessment | U.S. (Florida) | 9 | reject |
| Ajuga reptans | Lamiaceae | common bugleweed | Assessment | Pacific | 11 | high risk |
| Albizia adianthifolia | Fabaceae | West African albizzia | Assessment | Pacific | 9 | high risk |
|
Fabaceae |
Chinese albizia |
Pacific |
8 |
high risk |
||
| Albizia guachepele | Fabaceae | chime tree | Assessment | Pacific | -4 | low risk |
| Albizia julibrissin | Fabaceae | pink sirus | Assessment | Pacific | 18 | high risk |
| Albizia julibrissin | Fabaceae | momosa | Assessment | U.S. (Florida) | 21 | reject |
| Albizia lebbeck | Fabaceae | woman's-tongue tree | Assessment | Australia | 4 | more information |
| Albizia lebbeck | Fabaceae | woman's-tongue tree | Assessment | Pacific | 7 | high risk |
| Albizia niopoides | Fabaceae | Caribbean albizia | Assessment | Pacific | 6 | evaluate |
| Aleurites moluccana | Euphorbiaceae | candlenut tree | Assessment | Pacific | 12 | high risk |
| Aleurites moluccana | Euphorbiaceae | candlenut tree | Assessment | U.S. (Florida) | 3 | evaluate |
| Allamanda blanchetii | Apocynaceae | purple allamanda | Assessment | Pacific | 6 | evaluate |
| Allamanda cathartica | Apocynaceae | golden trumpet Allamanda | Assessment | Pacific | 8 | high risk |
| Allamanda cathartica | Apocynaceae | golden trumpet Allamanda | Assessment | U.S. (Florida) | 12 | reject |
| Allamanda schottii | ynaceae | bush allamanda | Assessment | Pacific | 8 | high risk |
| Allamanda schottii | Apocynaceae | bush allamanda | Assessment | U.S. (Florida) | 7 | reject |
| Allium sativum | Liliaceae | garlic | Assessment | Pacific | -4 | low risk |
|
Allocasuarina verticillata |
Casuarinaceae |
drooping she oak |
Pacific |
-5 |
low risk |
|
| Allophylus cobbe | Sapindaceae | wild berry | Assessment | Pacific | 9 | high risk |
| Alloxylon flammeum | Proteaceae | tree waratah | Assessment | U.S. (Florida) | -2 | accept |
| Alluaudia procera | Didiereaceae | Madagascar ocotillo | Pacific | -7 | low risk | |
|
Alnus nepalensis |
Betulaceae |
Nepalese alder |
Pacific |
-2 |
low risk |
|
| Alocasia cucullata | Araceae | dwarf elephant ear | Assessment | Pacific | 9 | high risk |
|
Alocasia sanderiana |
Araceae |
Kris plant |
Pacific |
-2 |
low risk |
|
| Aloysia citrodora | Verbenaceae | lemon verbena | Assessment | Pacific | 0 | low risk |
|
Alphitonia zizyphoides |
Rhamnaceae |
toi |
Pacific |
0 |
low risk |
|
| Alpinia purpurata | Zingiberaceae | red ginger | Assessment | Pacific | 4 | evaluate |
| Alpinia zerumbet | Zingiberaceae | shell ginger | Assessment | Pacific | 10 | high risk |
| Alpinia zerumbet | Zingiberaceae | shell ginger | Assessment | U.S. (Florida) | 5 | accept* |
| Alstonia macrophylla | Apocynaceae | deviltree | Assessment | Pacific | 9 | high risk |
| Alstonia scholaris | Apocynaceae | scholar tree | Assessment | Pacific | 3 | evaluate |
| Alternanthera brasiliana | Amaranthaceae | Brazilian joyweed | Assessment | U.S. (Florida) | 13 | reject |
| Alternanthera paronichyoides | Amaranthaceae | smooth joyweed | Assessment | U.S. (Florida) | 6 | accept* |
| Alternanthera philoxeroides | Amaranthaceae | alligator weed | Assessment | Australia | 22 | reject |
| Alternanthera pungens | Amaranthaceae | khaki weed | Assessment | Australia | 17 | reject |
| Alyogyne huegelii | Malvaceae | lilac hibiscus | Assessment | Pacific | 0 | low risk |
| Alysicarpus vaginalis | Fabaceae | alyce clover | Assessment | Australia | 5 | evaluate |
| Ambrosia psilostachya | Asteraceae | western ragweed | Assessment | Pacific | 15 | high risk |
| Amaranthus dubius | Amaranthaceae | southern pigweed | Assessment | Australia | 14 | reject |
| Amaranthus palmeri | Amaranthaceae | Palmer's amaranth | Assessment | U.S. (Florida) | 11 | reject |
| Amaranthus spinosus | Amaranthaceae | spiny amaranth | Assessment | U.S. (Florida) | 18 | reject |
| Amherstia nobilis | Fabaceae | pride of Burma | Assessment | Pacific | -8 | low risk |
| Amorphophallus lambii | Araceae | Assessment | U.S. (Florida) | 2 | accept* | |
| Anacardium occidentale | Anacardiaceae | cashew | Assessment | Pacific | 0 | low risk |
|
Andira inermis |
Fabaceae |
cabbage tree |
Pacific |
-3 |
low risk |
|
| Andropogon bicornis | Poaceae | West Indian foxtail grass | Assessment | Pacific | 18 | high risk |
| Andropogon gayanus | Poaceae | gamba grass | Assessment | Australia | 8 | reject |
| Andropogon glomeratus | Poaceae | bushy bluestem | Assessment | Pacific | 14 | high risk |
| Andropogon virginicus | Poaceae | broomsedge | Assessment | Australia | 13 | reject |
| Andropogon virginicus | Poaceae | broomsedge | Assessment | Pacific | 20 | high risk |
| Anemone hupehensis | Ranunculaceae | Japanese anemone | Assessment | Pacific | 8.5 | high risk |
|
Marattiaceae |
giant fern |
Pacific |
8 |
high risk |
||
| Anigozanthos flavidus | Haemodoraceae | Evergreen kangaroo paw | Assessment | Pacific | 12 | high risk |
|
Annonaceae |
cherimoya |
Pacific |
-4 |
low risk |
||
| Annona glabra | Annonaceae | pond apple | Assessment | Pacific | 10 | high risk |
| Annona macroprophyllata | Annonaceae | perpauce | Assessment | Pacific | -2 | low risk |
| Annona mucosa | Annonaceae | wild sweetsop | Assessment | Pacific | -3 | low risk |
| Annona muricata | Annonaceae | soursop | Assessment | Pacific | -3 | low risk |
| Annona reticulata | Annonaceae | custard apple | Assessment | Pacific | 11 | high risk |
| Annona squamosa | Annonaceae | custard apple | Assessment | Pacific | -2 | low risk |
| Anredera cordifolia | Basellaceae | Madeira-vine | Assessment | Pacific | 20 | high risk |
| Anthocleista grandiflora | Gentianaceae | forest bigleaf | Assessment | Pacific | 3 | evaluate |
| Anthoxanthum nitens | Poaceae | vanilla grass | Assessment | Pacific | 4 | evaluate |
| Anthoxanthum odoratum | Poaceae | sweet vernalgrass | Assessment | Pacific | 11 | high risk |
|
Anthurium hookeri |
Araceae |
birds nest anthurium |
Pacific |
-6 |
low risk |
|
| Antigonon leptopus | Polygonaceae | coral vine | Assessment | Pacific | 19 | high risk |
| Aphanamixis polystachya | Meliaceae | pithraj tree | Assessment | Pacific | 3 | evaluate |
| Aphelandra aurantiaca | Acanthaceae | fiery spike | Assessment | Pacific | -2 | low risk |
| Aphelandra sinclairiana | Acanthaceae | Sinclair's aphelandra | Assessment | Pacific | -3 | low risk |
|
Aizoaceae |
hearts and flowers |
Pacific |
5 |
low risk* |
||
| Aquilegia caucasica | Ranunculaceae | Assessment | U.S. (Florida) | -1 | accept | |
|
Arachis glabrata |
Fabaceae |
perennial peanut |
Pacific |
-1 |
low risk |
|
| Arachis glabrata | Fabaceae | perennial peanut | Assessment | U.S. (Florida) | -11 | accept |
| Arachis hypogaea | Fabaceae | peanut | Assessment | Pacific | -2 | low risk |
|
Arachis pintoi |
Fabaceae |
perennial peanut |
Pacific |
-1 |
low risk |
|
| Araiostegia pseudocystopteris | Davalliaceae | Assessment | U.S. (Florida) | 3 | accept* | |
| Araucaria araucana | Araucariaceae | Chilean pine | Assessment | Pacific | -1 | low risk |
| Araucaria bidwillii | Araucariaceae | Queensland pine | Assessment | Pacific | 1 | low risk* |
|
Araucaria columnaris |
Araucariaceae |
Cooks pine |
Pacific |
-5 |
low risk |
|
|
Araucaria heterophylla |
Araucariaceae |
Norfolk Island pine |
Pacific |
-5 |
low risk |
|
| Araujia saricifera | Apocynaceae | bladder flower | Assessment | Pacific | 24 | high risk |
| Archidendron clypearia | Fabaceae | archidendron | Assessment | Pacific | 3 | evaluate |
| Archontophoenix alexandrae | Arecaceae | Alexandra palm | Assessment | Pacific | 8 | high risk |
|
Arecaceae |
king palm |
Pacific |
6 |
evaluate |
||
| Archontophoenix tuckeri | Arecaceae | peach creek palm | Assessment | Pacific | 4 | evaluate |
| Arctotheca calendula (fertile) | Asteraceae | capeweed | Assessment | Pacific | 24 | high risk |
| Arctotheca calendula (sterile) | Asteraceae | capeweed | Assessment | Pacific | 8 | high risk |
| Arctotheca calendula | Asteraceae | capeweed | Assessment | United States | high risk | |
| Ardisia crenata | Myrsinaceae | Hilo holly | Assessment | Pacific | 10 | high risk |
| Ardisia elliptica | Myrsinaceae | shoebutton ardisia | Assessment | Pacific | 11 | high risk |
| Ardisia nigrescens | Myrsinaceae | blossomberry ardisia | Assessment | U.S. (Florida) | -1 | accept |
| Ardisia polysticta | Myrsinaceae | niu zi guo | Assessment | Pacific | 8 | high risk |
| Ardisia sieboldii | Myrsinaceae | duo zhi zi jin niu | Assessment | Pacific | 7 | high risk |
|
Areca catechu |
Arecaceae |
betel nut palm |
Pacific |
-4 |
low risk |
|
| Areca ridleyana | Arecaceae | Assessment | U.S. (Florida) | 0 | accept | |
| Areca triandra | Arecaceae | Australian areca palm | Assessment | Pacific | 5 | evaluate |
| Arenga pinnata | Arecaceae | sugar palm | Assessment | Pacific | 7 | high risk |
| Arenga tremula | Arecaceae | Philippines dwarf sugar palm | Assessment | Pacific | 1 | evaluate |
| Argemone mexicana | Papaveraceae | Mexican poppy | Assessment | Australia | 18 | reject |
| Argemone mexicana | Papaveraceae | Mexican poppy | Assessment | Pacific | 22 | high risk |
|
Convolvulaceae |
Hawaiian baby woodrose |
Pacific |
1 |
low risk* |
||
| Aristolochia elegans | Aristolochiaceae | Dutchman's pipe | Assessment | Australia | 13 | reject |
| Aristolochia ringens | Aristolochiaceae | gaping Dutchman's pipe | Assessment | Pacific | 4 | evaluate |
| Arnebia pulchra | Boraginaceae | prophet flower | Assessment | U.S. (Florida) | -1 | accept |
| Artabotrys hexapetalus | Annonaceae | climbing ylang-ylang | Assessment | Pacific | 0 | low risk |
| Arthrostemma ciliatum | Melastomataceae | pinkfringe | Assessment | Pacific | 7 | high risk |
|
Artocarpus altilis |
Moraceae |
breadfruit |
Pacific |
-12 |
low risk |
|
|
Artocarpus heterophyllus |
Moraceae |
jackfruit |
Pacific |
1 |
low risk* |
|
| Artocarpus heterophyllus | Moraceae | jackfruit | Assessment | U.S. (Florida) | -1 | accept |
|
Artocarpus odoratissimus |
Moraceae |
marang |
Pacific |
-3 |
low risk |
|
| Artocarpus sericicarpus | Moraceae | gomihan | Assessment | Pacific | -2 | low risk |
| Arundina graminifolia | Orchidaceae | bamboo orchid | Assessment | Pacific | 11 | high risk |
| Arundo donax | Poaceae | arundo | Assessment | Pacific | 12 | high risk |
| Arundo donax | Poaceae | arundo | Assessment | U.S. | 11 | reject |
| Arundo donax | Poaceae | arundo | Assessment | U.S. (Florida) | 11 | reject |
| Asarum delavayi | Aristolochiaceae | Chinese giant wild ginger | Assessment | U.S. (Florida) | 0 | accept |
| Asparagus densiflorus | Liliaceae | asparagus fern | Assessment | Australia | 3 | evaluate |
| Asparagus densiflorus | Liliaceae | asparagus fern | Assessment | Pacific | 15 | high risk |
| Asparagus falcatus | Liliaceae | sicklethorn | Assessment | Pacific | 11 | high risk |
| Asparagus setaceus | Liliaceae | common asparagus fern | Assessment | Australia | 16 | reject |
| Asparagus setaceus | Liliaceae | common asparagus fern | Assessment | Pacific | 13 | high risk |
|
Aspidistra elatior |
Liliaceae |
cast iron plant |
Pacific |
-1 |
low risk |
|
| Aspidistra patentiloba | Liliaceae | Assessment | U.S. (Florida) | 2 | accept* | |
| Aster oharai | Asteraceae | Assessment | U.S. (Florida) | -1 | accept | |
| Astronium graveolens | Anacardiaceae | zebrawood | Assessment | Pacific | -2 | low risk |
| Asystasia gangetica | Acanthaceae | coromandel | Assessment | Pacific | 12 | high risk |
| Atractocarpus fitzalanii | Rubiaceae | randia | Assessment | Pacific | 3 | high risk* |
| Attalea cohune | Arecaceae | cohune palm | Assessment | Pacific | 0 | low risk |
| Averrhoa bilimbi | Oxalidaceae | cucumber tree | Assessment | Pacific | 1 | evaluate |
|
Averrhoa carambola |
Oxalidaceae |
starfruit |
Pacific |
-1 |
low risk |
|
| Axonopus compressus | Poaceae | carpetgrass | Assessment | Australia | 12 | reject |
| Axonopus compressus | Poaceae | carpetgrass | Assessment | Pacific | 15 | high risk |
| Axonopus fissifolius | Poaceae | carpetgrass | Assessment | Pacific | 16 | high risk |
| Azadirachta indica | Meliaceae | neem | Assessment | Pacific | 10 | high risk |
| Baccaurea ramiflora | Phyllanthaceae | Burmese grape | Assessment | Pacific | 0 | low risk |
| Baccharis halimifolia | Asteraceae | groundsel bush | Assessment | Australia | 19 | reject |
| Bacopa procumbens | Plantaginaceae | baby jump-up | Assessment | Pacific | 7 | high risk |
| Balaka longirostris | Arecacear | Mbalaka | Assessment | Pacific | 0 | low risk |
| Bambusa chungii | Poaceae | emperor's blue bamboo | Assessment | Pacific | -1 | low risk |
| Bambusa glaucophylla | Poaceae | Malay dwarf bamboo | Assessment | Pacific | -3 | low risk |
| Bambusa lako | Poaceae | Timor black bamboo | Assessment | Pacific | -1 | low risk |
| Bambusa lako | Poaceae | Timor black bamboo | Assessment | U.S. (Florida) | 1 | evaluate |
| Bambusa multiplex | Poaceae | Chinese dwarf bamboo | Assessment | Pacific | 5 | evaluate |
| Bambusa oldhamii | Poaceae | Oldham's bamboo | Assessment | Pacific | 1 | evaluate |
| Bambusa textilis | Poaceae | weaver's bamboo | Assessment | Pacific | -3 | low risk |
| Bambusa vulgaris | Poaceae | bamboo | Assessment | Pacific | 5 | low risk* |
| Banisteriopsis caapi | Malpighiaceae | caapi | Assessment | Pacific | 0 | low risk |
| Banksia burdettii | Proteaceae | Burdett's banksia | Assessment | Pacific | -2 | low risk |
| Banksia ericifolia | Proteaceae | heath banksia | Assessment | Pacific | 9 | high risk |
| Banksia integrifolia | Proteaceae | coast banksia | Assessment | Pacific | 5 | high risk* |
| Banksia spinulosa | Proteaceae | hairpin banksia | Assessment | Pacific | 5 | high risk* |
| Barleria lupulina | Acanthaceae | hophead Phillipine violet | Assessment | Pacific | 10 | high risk |
|
Barringtonia asiatica |
Lecythidaceae |
sea putat |
Pacific |
-8 |
low risk |
|
| Barrya cubensis | Malvaceae | mountain-pear | Assessment | Pacific | 1 | low risk* |
| Basella alba | Basellaceae | Malabar spinach | Assessment | Pacific | 8 | high risk |
| Batis maritima | Bataceae | pickleweed, saltwort | Assessment | Pacific | 9 | high risk |
| Bauhinia binata | Fabaceae | Assessment | Pacific | -1 | low risk | |
| Bauhinia x blakeana | Fabaceae | Hong Kong orchid tree | Pacific | -7 | low risk | |
| Bauhinia hookeri | Fabaceae | white bauhinia | Assessment | Pacific | -4 | low risk |
|
Fabaceae |
pink orchid tree |
Pacific |
7 |
high risk |
||
| Bauhinia natalensis | Fabaceae | Natal bauhinia | Assessment | U.S. (Florida) | 1 | accept* |
| Bauhinia purpurea | Fabaceae | purple bauhinia | Assessment | Pacific | 7 | high risk |
| Bauhinia purpurea | Fabaceae | purple bauhinia | Assessment | U.S. (Florida) | 8 | reject |
|
Bauhinia tomentosa |
Fabaceae |
yellow tree bauhinia |
Pacific |
-1 |
low risk |
|
| Bauhinia vahlii | Fabaceae | Bauhinia climber | Assessment | Pacific | 7 | high risk |
|
Fabaceae |
mountain ebony |
Pacific |
9 |
high risk |
||
| Bauhinia variegata | Fabaceae | mountain ebony | Assessment | U.S. (Florida) | 7 | reject |
| Beaumontia grandiflora | Apocynaceae | Easter-lily-vine | Assessment | Pacific | -6 | low risk |
|
Beaumontia multiflora |
Apocynaceae |
herald's trumpet |
Pacific |
-4 |
low risk |
|
| Beccariophoenix madagascariensis | Arecaceae | window palm | Assessment | Pacific | -7 | low risk |
| Beesia calthaefolia | Ranunculaceae | Assessment | U.S. (Florida) | 0 | accept | |
| Begonia foliosa | Begoniaceae | Fuchsia begonia | Assessment | Pacific | 9 | high risk |
| Berberis iberica | Berberidaceae | Iberian barberry | Assessment | U.S. (Florida) | 1 | evaluate |
| Berchemia zeyheri | Rhamnaceae | pink ivory | Assessment | Pacific | -2 | low risk |
| Besleria laxiflora | Gesneriaceae | Assessment | U.S. (Florida) | -3 | accept | |
| Beta vulgaris L. ssp. vulgaris convar. saccharifera | Chemopodiaceae | sugar beet | Assessment | Pacific | -6 | low risk |
| Bidens alba | Asteraceae | beggar's-tick | Assessment | Pacific | 12 | high risk |
| Bidens pilosa | Asteraceae | Spanish needle | Assessment | Pacific | 23 | high risk |
| Bidens pilosa | Asteraceae | Spanish needle | Assessment | U.S. (Florida) | 19 | reject |
| Billbergia pyramidalis | Bromeliaceae | foolproof plant | Assessment | U.S. (Florida) | -1 | accept |
|
Bishofiaceae |
bishopwood |
Pacific |
7 |
high risk |
||
|
Bismarckia nobilis |
Arecaceae |
Bismarck palm |
Pacific |
-7 |
low risk |
|
| Bixa orellana | Bixaceae | lipstick tree | Assessment | Pacific | 1 | low risk* |
| Blechnum brasiliense | Blechnaceae | red Brazilian tree fern | Assessment | U.S. (Florida) | 0 | accept |
| Blechnum orientale | Blechnaceae | oriental blechnum | Assessment | Pacific | -1 | low risk |
| Blutaparon vermiculare | Amaranthaceae | samphire | Assessment | Pacific | 7 | high risk |
| Bocconia frutescens | Papaveraceae | plume poppy | Assessment | Pacific | 18 | high risk |
| Boehmeria nivea | Urticaceae | ramie | Assessment | Pacific | 12 | high risk |
| Boesenbergia rotunda | Zingiberaceae | Chinese-keys | Assessment | Pacific | 0 | low risk |
| Bolusanthus speciosus | Fabaceae | wisteria tree | Assessment |
Pacific |
-6 |
low risk |
| Bombax ceiba | Malvaceae | red silk-cotton tree | Assessment | Pacific | 2 | low risk* |
| Bombax ceiba | Malvaceae | red silk-cotton tree | Assessment | U.S. (Florida) | -4 | accept |
| Bothriochloa bladhii | Poaceae | Caucasian bluestem | Assessment | Pacific | 19 | high risk |
|
Bougainvillea glabra |
Nyctaginaceae |
paperflower |
Pacific |
-1 |
low risk |
|
| Bouteloua aristidoides | Poaceae | needle grama | Assessment | Pacific | 9 | high risk |
| Brachiaria brizantha x Brachiaria ruziziensis | Poaceae | cv. Mulato | Assessment | Pacific | 2 | low risk* |
| Brachychiton acerifolius | Sterculiaceae | Illawarra flame tree | Assessment |
Pacific |
-5 |
low risk |
| Brachychiton populneus | Sterculiaceae | bottletree | Assessment | Pacific | 6 | evaluate |
| Bracteantha bracteata | Asteraceae | strawflower | Assessment | U.S. (Florida) | 2 | accept* |
|
Brahea armata |
Arecaceae |
blue hesper palm |
Pacific |
3 |
low risk* |
|
| Brassica juncea | Brassicaceae | canola | Assessment | Pacific | 15 | rish risk |
| Brassica napus | Brassicaceae | rapeseed, turnip | Assessment | Pacific | 16 | high risk |
|
Brexia madagascariensis |
Grossulariaceae |
brexia |
Pacific |
-6 |
low risk |
|
| Breynia disticha | Euphorbiaceae | snowbush | Assessment | Pacific | -5 | low risk |
| Bridelia insulana | Phyllanthaceae | Prickly Bridelia | Assessment | Pacific | 1 | evaluate |
| Brillantaisia lamium | Acanthaceae | Assessment | Australia | 16 | reject | |
| Broussonetia papyrifera | Moraceae | paper mulberry | Assessment | Pacific | 3 | low risk** |
| Brownea coccinea | Fabaceae | mountain rose | Assessment | Pacific | -5 | low risk |
| Brownea macrophylla | Fabaceae | Panama flame | Assessment | Pacific | -8 | low risk |
| Brugmansia candida |
Solanaceae |
angel's trumpet |
Pacific | 2 | low risk* | |
| Brugmansia candida | Solanaceae | angel's trumpet | Assessment | U.S. (Florida) | 2 | evaluate |
| Brunfelsia americana | Solanaceae | lady of the evening | Assessment | Pacific | -3 | low risk |
| Brunfelsia australis | Solanaceae | yesterday-today-and-tomorrow | Assessment | Pacific | -3 | low risk |
| Brunfelsia densifolia | Solanaceae | serpentine hill raintree | Assessment | Pacific | -4 | low risk |
| Brunfelsia latifolia | Solanaceae | kiss me quick | Assessment | Pacific | -3 | low risk |
|
Buchloe dactyloides |
Poaceae |
buffalo grass |
Pacific |
4.5 |
low risk* |
|
| Bucida buceras | Combretaceae | black olive |
Pacific |
-3 |
low risk |
|
|
Bucida molinetii |
Combretaceae |
spiny black olive |
Pacific |
-3 |
low risk |
|
| Buddleja asiatica | Buddlejaceae | Asian butterfly bush | Assessment | Pacific | 9 | high risk |
| Buddleja davidii | Buddlejaceae | butterfly bush | Assessment | Australia | -4 | accept |
| Buddleja davidii | Buddlejaceae | butterfly bush | Assessment | Pacific | 13 | high risk |
| Buddleja madagascariensis | Buddlejaceae | butterfly bush | Assessment | Pacific | 21 | high risk |
| Buddleja marrubiifolia | Buddlejaceae | woolly butterfly bush | Assessment | Pacific | -3 | low risk |
| Buddleja officinalis | Buddlejaceae | butterfly bush | Assessment | U.S. (Florida) | 1 | accept* |
| Buddleja saligna | Buddlejaceae | false olive | Assessment | Pacific | 2 | low risk* |
| Bunchosia argentea | Malpighiaceae | peanut butter fruit | Assessment | Pacific | -3 | low risk |
| Butia capitata | Arecaceae | jelly palm | Assessment | Pacific | 0 | low risk |
| Buxus sempervirens | Buxaceae | common box | Assessment | Pacific | 7.5 | high risk |
| Byrsonima crassifolia | Malpighiaceae | golden spoon | Assessment | Pacific | 5 | evaluate |
| Cabomba caroliniana | Cabombaceae | fanwort | Assessment | Australia | 18 | reject |
|
Caesalpinia bonduc |
Fabaceae |
nickerbean |
Pacific |
12 |
high risk** |
|
| Caesalpinia crista | Fabaceae | gray nicker | Assessment | Pacific | 7 | high risk |
| Caesalpinia decapetala | Fabaceae | Mysore thorn | Assessment | Pacific | 20 | high risk |
| Caesalpinia ferrea | Fabaceae | Brazilian ironwood | Assessment | Pacific | -3 | low risk |
| Caesalpinia latisiliqua | Fabaceae | Assessment | Pacific | 5 | evaluate | |
|
Caesalpinia major |
Fabaceae |
yellow nicker |
Pacific |
10 |
high risk** |
|
| Fabaceae |
dwarf poinciana |
Pacific |
5 |
low risk* |
||
| Fabaceae |
pigeon pea |
Pacific |
0 |
low risk |
||
| Calamus caesius | Aracaceae | sega rattan | Assessment | Pacific | 3 | evaluate |
| Calathea majestica | Marantaceae | Assessment | Pacific | -1 | low risk | |
| Callaeum macropterum | Malphigiaceae | yellow butterfly vine | Assessment | Pacific | 6 | evaluate |
|
Fabaceae |
calliandra |
Pacific |
11 |
high risk |
||
| Calliandra haematocephala | Fabaceae | red powder puff | Assessment | Pacific | 2 | low risk* |
| Calliandra haematocephala | Fabaceae | red powder puff | Assessment | U.S. (Florida) | 1 | accept* |
|
Fabaceae |
pink powderpuff |
Pacific |
-4 |
low risk |
||
| Calicarpa japonica | Verbenaceae | Japanese beautyberry | Assessment | Pacific | 5 | evaluate |
| Callistemon citrinus | Myrtaceae | crimson bottlebrush |
Pacific |
0 |
low risk |
|
| Callistemon citrinus | Myrtaceae | crimson bottlebrush | Assessment | U.S. (Florida) | -1 | accept |
| Callistemon rigidus | Myrtaceae | stiff bottlebrush | Pacific | 1 | low risk* | |
| Callistemon viminalis | Myrtaceae | weeping bottlebrush | Assessment |
Pacific |
3 |
low risk* |
| Callistephus chinensis | Asteraceae | China aster | Assessment | U.S. (Florida) | 2 | accept* |
| Callitris columellaris | Cupressaceae | white cypress-pine | Assessment | Pacific | 9 | high risk |
| Callitris endlicheri | Cupressaceae | black cypress-pine | Assessment | Pacific | 10 | high risk |
| Calodendrum capense | Rutaceae | Cape-chestnut | Assessment | Pacific | -1 | low risk |
| Calophyllum inophyllum | Clusiaceae | kamani | Assessment |
Pacific |
6 |
evaluate** |
| Calopogonium mucunoides | Fabaceae | calopo | Assessment | Australia | 10 | reject |
| Calopogonium mucunoides | Fabaceae | calopo | Assessment | Pacific | 6 | low risk* |
| Calotropis gigantea | Asclepiadaceae | crownplant | Assessment | Pacific | 15 | high risk |
| Calotropis procera | Asclepiadaceae | calotrope | Assessment | Australia | 8 | reject |
| Calotropis procera | Asclepiadaceae | small crownflower | Assessment | Pacific | 15 | high risk |
| Camelina sativa | Brassicaceae | false flax | Assessment | Pacific | 9.5 | high risk |
| Camellia sinensis | Theaceae | tea | Assessment | Pacific | -4 | low risk |
|
Annonaceae |
perfume tree |
Pacific |
3 |
low risk* |
||
| Canarium album | Burseraceae | chinese olive | Assessment | Pacific | 3 | evaluate |
| Canarium indicum | Burseraceae | canarium-nut | Assessment | Pacific | -1 | low risk |
| Canavalia ensiformis | Fabaceae | horsebean | Assessment | Pacific | 6 | low risk* |
| Canna indica | Cannaceae | African arrowroot | Assessment | Pacific | 17 | high risk |
| Cannabis sativa | Cannabaceae | marijuana | Assessment | Pacific | 8.5 | high risk |
| Caperonia palustris | Euphorbiaceae | Texas weed | Assessment | U.S. (Florida) | 5 | evaluate |
|
Solanaceae |
wild pepper |
Pacific |
5 |
low risk* |
||
| Carallia brachiata | Rhizophoraceae | corkwood | Assessment | Pacific | 3 | evaluate |
| Cardiospermum grandiflorum | Sapindaceae | showy baloonvine | Assessment | Pacific | 18 | high risk |
| Cardiospermum halicacabum | Sapindaceae | balloon vine | Assessment | Pacific | 12 | high risk |
| Carex ciliatomarginata | Cyperaceae | Assessment | U.S. (Florida) | 4 | accept* | |
| Carex muskingumensis | Cyperaceae | Muskingum sedge | Assessment | Pacific | 8 | high risk |
|
Caricaceae |
papaya |
Pacific |
2 |
low risk* |
||
| Carica pentagona | Caricaceae | babaco | Assessment | Pacific | -10 | low risk |
| Carissa bispinosa | Apocynaceae | hedgethorn | Assessment | U.S. (Florida) | 0 | accept |
|
Carissa grandiflora |
Apocynaceae |
Natal plum |
Pacific |
-1 |
low risk |
|
| Carludovica palmata | Cyclanthaceae | Panama hat plant | Assessment | Pacific | 7 | high risk |
| Carmona retusa | Boraginaceae | Fukien tea | Assessment | Pacific | 4 | evaluate |
| Carpentaria acuminata | Arecaceae | Carpentaria palm | Assessment | Pacific | -5 | low risk |
| Carpobrotus edulis | Aizoaceae | ice plant | Assessment | Pacific | 9.5 | high risk |
| Caryota mitis | Arecaceae | fishtail palm | Assessment | Pacific | 1 | evaluate |
| Caryota urens | Arecaceae | toddy palm | Assessment | Pacific | 5 | evaluate |
| Casimiroa edulis | Rutaceae | white sapote | Assessment | Pacific | 2 | low risk* |
| Cassia bakeriana | Fabaceae | pink shower tree | Assessment |
Pacific |
-2 |
low risk |
| Cassia fistula | Fabaceae | golden shower tree | Assessment | Pacific | 3 | low risk* |
|
Cassia grandis |
Fabaceae |
pink shower tree |
Pacific |
-5 |
low risk |
|
|
Cassia javanica |
Fabaceae |
pink shower tree |
Pacific |
-1 |
low risk |
|
|
Cassia x nealiae |
Fabaceae |
rainbow shower tree |
Pacific |
-8 |
low risk |
|
| Cassia roxburghii | Fabaceae | red cassia | Assessment | Pacific | -4 | low risk |
| Castilla elastica | Moraceae | Panama rubber tree | Assessment | Pacific | 7 | high risk |
| Casuarina cunninghamiana | Casuarinaceae | cunninghamia beefwood | Assessment | Pacific | 12 | high risk |
| Casuarina equisetifolia | Casuarinaceae | ironwood | Assessment | Pacific | 21 | high risk |
| Casuarina glauca | Casuarinaceae | gray sheoak | Assessment | Pacific | 20 | high risk |
| Catalpa longissima | Bignoniaceae | Jamaica oak |
Pacific |
2 |
low risk* |
|
| Catharanthus roseus | Apocynaceae | Madagascar periwinkle | Assessment | Pacific | 12 | high risk |
| Ceanothus 'Julia Phelps' | Rhamnaceae | California lilac | Assessment | Pacific | -4 | low risk |
| Cecropia obtusifolia | Cecropiaceae | trumpet tree | Assessment | Pacific | 10 | high risk |
| Cecropia peltata | Cecropiaceae | trumpet tree | Assessment | Pacific | 9 | high risk |
| Cedrela odorata | Meliaceae | Spanish cedar | Assessment | Pacific | 2 | evaluate |
| Cedrus deodara | Pinaceae | Deodar cedar | Assessment | Pacific | 0 | low risk |
| Ceiba pentandra | Bombacaceae | kopok tree | Assessment | Pacific | 2 | low risk* |
| Cenchrus ciliaris | Poaceae | buffelgrass | Assessment | Australia | 7 | reject |
| Cenchrus echinatus | Poaceae | burgrass | Assessment | Australia | 11 | reject |
| Centaurea melitensis | Asteraceae | yellow star thistle | Assessment | Pacific | 18 | high risk |
| Centella asiatica | Apiaceae | Asiatic pennywort | Assessment | Pacific | 7 | high risk |
| Centranthus ruber | Valerianaceae | red valerian | Assessment | Pacific | 10 | high risk |
| Centratherum punctatum | Asteraceae | lark daily | Assessment | Pacific | 8 | high risk |
| Centrosema molle | Fabaceae | centro | Assessment | Pacific | 11 | high risk |
| Cerastium purpurascens | Caryophyllaceae | Assessment | U.S. (Florida) | 2 | accept* | |
|
Ceratonia siliqua |
Fabaceae |
carob tree |
Pacific |
0 |
low risk |
|
| Ceratonia siliqua | Fabaceae | carob tree | Assessment | U.S. (Florida) | 1 | accept* |
| Cerbera manghas | Apocynaceae | pink-eyed cerbera | Pacific | 1 | low risk* | |
| Ceroxylon alpinum | Arecaceae | wax palm | Assessment | Pacific | -4 | low risk |
| Cestrum aurantiacum | Solanaceae | orange cestrum | Assessment | Pacific | 15 | high risk |
| Cestrum elegans | Solanaceae | crimson cestrum | Assessment | Pacific | 18 | high risk |
| Cestrum nocturnum | Solanaceae | night-blooming jasmine | Assessment | Pacific | 17 | high risk |
| Cestrum parqui | Solanaceae | green cestrum | Assessment | Australia | 11 | reject |
|
Fabaceae |
partridge pea |
Pacific |
0 |
low risk |
||
| Chamaedorea elegans | Arecaceae | parlor palm | Assessment | Pacific | 0 | low risk |
| Chamaedorea metallica | Arecaceae | metallic plam | Assessment | Pacific | -2 | low risk |
| Chamaedorea seifrizii | Arecaceae | reed palm | Assessment | Pacific | 6 | evaluate |
| Chamaesyce albomarginata | Euphorbiaceae | rattle snake weed | Assessment | Pacific | 3 | low risk* |
| Chambeyronia macrocarpa | Arecaceae | Flame Thrower Palm | Assessment | Pacific | -1 | low risk |
|
Chamelaucium uncinatum |
Asteraceae |
Geraldton wax |
Pacific |
-2.5 |
low risk |
|
| Chasmanthium latifolium | Poaceae | northern sea oats | Assessment | Pacific | 8.5 | high risk |
| Cheilocostus speciosus | Costaceae | crepe-ginger | Assessment | Pacific | 11 | high risk |
| Chenopodium carinatum | Chenopodiaceae | Tasmanian goosefoot | Assessment | Pacific | 9 | high risk |
| Chione sylvicola | Rubiaceae | Assessment | U.S. (Florida) | -2 | accept | |
| Chloranthus sessilifolius | Chloranthaceae | Assessment | U.S. (Florida) | 1 | accept* | |
| Chloris barbata | Poaceae | swollen fingergrass | Assessment | Australia | 13 | reject |
| Chloris gayana | Poaceae | Rhodes grass | Assessment | Australia | 6 | reject |
| Chlorophytum comosum | Liliaceae | spiderplant | Assessment | Pacific | 8 | high risk |
| Chlorophytum saundersiae | Anthericaceae | Assessment | U.S. (Florida) | 0 | accept | |
| Chloroxylon swietenia | Rutaceae | East Indian satinwood | Assessment | Pacific | -3 | low risk |
|
Chorisia speciosa |
Bombacaceae |
floss-silk tree |
Pacific |
-7 |
low risk |
|
| Chorisia speciosa | Bombacaceae | floss-silk tree | Assessment | U.S. (Florida) | -5 | accept |
| Chromolaena odorata | Asteraceae | chromolaena | Assessment | Pacific | 34 | high risk |
| Chrysanthemum cinerariifolium | Asteraceae | pyretrum | Assessment | Pacific | 3 | evaluate |
| Chrysobalanus icaco | Chrysobalanaceae | coco plum | Assessment | Pacific | 12 | high risk |
| Chrysophyllum oliviforme | Sapotaceae | satin leaf | Assessment | Pacific | 7 | high risk |
| Chrysophyllum venezuelanense | Sapotaceae | Assessment | U.S. (Florida) | -5 | accept | |
| Chrysopogon zizanioides (fertile) | Poaceae | vetiver grass wild type | Assessment | Pacific | 9 | high risk |
| Chrysopogon zizanioides 'Sunshine' | Poaceae | vetiver grass 'Sunshine' | Assessment | Pacific | -8 | low risk |
| Chrysosplenium valdivicum | Saxifragaceae | Assessment | U.S. (Florida) | -1 | accept | |
| Chrysothemis pulchella | Gesneriaceae | copper leaf | Assessment | Pacific | 3 | low risk* |
| Cicerbita prenanthoides | Asteraceae | Assessment | U.S. (Florida) | -3 | accept | |
| Cimicifuga brachycarpa | Ranunculaceae | Assessment | U.S. (Florida) | -2 | accept | |
| Cinchona pubescens | Rubiaceae | quinine tree | Assessment | Pacific | 9 | high risk |
|
Cinnamomum aromaticum |
Lauraceae |
chinese cinnamon |
Pacific |
-3 |
low risk |
|
| Cinnamomum bermannii | Lauraceae | Padang cassia | Assessment | Pacific | 12 | high risk |
| Cinnamomum camphora | Lauraceae | camphor tree | Assessment | Pacific | 7.5 | high risk |
| Cinnamomum verum | Lauraceae | cinnamon tree | Assessment | Pacific | 10 | high risk |
| Cirsium vulgare | Asteraceae | spear thistile | Assessment | Australia | 21 | reject |
| Cirsium vulgare | Asteraceae | bull thistle | Assessment | Pacific | 18.5 | high risk |
|
Vitaceae |
rex begonia vine |
Pacific |
1 |
evaluate |
||
| Cissus nodosa | Vitaceae | Javanese treebine | Assessment | Pacific | 8 | high risk |
| Cissus quadrangularis | Vitaceae | veldt-grape | Assessment | Pacific | 12 | high risk |
| Cissus repens | Vitaceae | cissus | Assessment | Pacific | 7 | high risk |
| Cissus rotundifolia | Vitaceae | Venezuelan treebine | Assessment | Pacific | 9 | high risk |
| Cisus verticillata | Vitaceae | princess vine | Assessment | Pacific | 12 | high risk |
| Citharexylum spinosum | Verbenaceae | fiddlewood | Assessment | Pacific | 7 | high risk |
|
Rutaceae |
lime |
Pacific |
2 |
low risk* |
||
|
Citrus × Citrofortunella mitis |
Rutaceae |
calamondin |
Pacific |
0 |
low risk |
|
|
Rutaceae |
lemon |
Pacific |
-3 |
low risk |
||
|
Citrus maxima |
Rutaceae |
pummelo |
Pacific |
0 |
low risk |
|
|
Citrus x paradisi |
Rutaceae |
grapefruit |
Pacific |
-8 |
low risk |
|
|
Citrus reticulata |
Rutaceae |
Mandarin orange |
Pacific |
-5 |
low risk |
|
| Citrus sinensis | Rutaceae | sweet orange | Assessment | Pacific | -2 | low risk |
| Cladochaeta candidissima | Asteraceae | Assessment | U.S. (Florida) | 1 | accept* | |
| Clausena lansium | Rutaceae | Chinese clausena | Assessment | Pacific | 0 | low risk |
| Cleistocactus baumannii | Cactaceae | firecracker cactus | Assessment | Pacific | -4 | low risk |
| Clematis hexapetala | Ranunculaceae | Assessment | U.S. (Florida) | 4 | accept* | |
|
Verbenaceae |
red clerodendrum |
Pacific |
7 |
high risk |
||
| Clerodendrum chinense | Verbenaceae | Chinese glory bower | Assessment | Pacific | 18 | high risk |
| Clerodendrum glabrum | Verbenaceae | Natal glorybower | Assessment | Pacific | -1 | low risk |
| Clerodendrum inerme | Verbenaceae | seaside clerodendrum | Assessment | Pacific | 1 | evaluate** |
| Clerodendrum macrostegium | Verbenaceae | velvetleaf glorybower | Assessment | Pacific | 8 | high risk |
| Clerodendrum paniculatum | Verbenaceae | pagoda flower | Assessment | Australia | 9 | reject |
| Clerodendrum paniculatum | Verbenaceae | pagoda flower | Assessment | Pacific | 5 | evaluate |
| Clerodendrum quadriloculare | Verbenaceae | bronze-leaved clerodendrum | Assessment | Pacific | 11 | high risk |
| Clerodendrum wallichii | Verbenaceae | chui mo li | Assessment | Pacific | 3 | evaluate |
| Clidemia hirta | Melastomataceae | Koster's curse | Assessment | Pacific | 27 | high risk |
| Clitoria ternatea | Fabaceae | butterfly pea | Assessment | Australia | 7 | reject |
|
Fabaceae |
butterfly pea |
Pacific |
9 |
high risk |
||
| Clusia rosea | Clusiaceae | autograph tree | Assessment | Pacific | 5 | evaluate |
| Cnidoscolus acontifolius | Euphorbiaceae | tree spinach | Assessment | Pacific | 10 | high risk |
| Cnidoscolus chayamansa | Euphorbiaceae | tree spinach | Assessment | Pacific | 1 | low risk* |
| Coccinia grandis | Cucurbitaceae | ivy gourd | Assessment | Australia | 9 | reject |
| Coccinia grandis | Cucurbitaceae | ivy gourd | Assessment | Pacific | 21 | high risk |
|
Coccoloba uvifera |
Polygonaceae |
sea grape |
Pacific |
-5 |
low risk |
|
| Coccothrinax barbadensis | Aracaceae | Puerto Rico silver palm | Assessment | Pacific | 2 | evaluate |
| Cocculus laurifolius | Menispermaceae | cocculus | Assessment | U.S. (Florida) | 0 | accept |
|
Cochlospermum vitifolium |
Bixaceae |
buttercup tree |
Pacific |
-4 |
low risk |
|
| Cocos nucifera | Arecaceae | coconut palm | Assessment | Pacific | -4 | low risk |
|
Codiaeum variegatum |
Euphorbiaceae |
croton |
Pacific |
-4 |
low risk |
|
| Coffea arabica | Rubiaceae | coffee tree | Assessment | Pacific | 2 | high risk* |
| Coffea liberica | Rubiaceae | Liberian coffee tree | Assessment | Pacific | 1 | evaluate |
| Coix lacryma-jobi | Poaceae | Job's tears | Assessment | Australia | 4 | more information |
| Colocasia heterochroma | Araceae | Assessment | U.S. (Florida) | 3 | accept* | |
| Colpothrinax wrightii | Arecaceae | barrel palm | Assessment | Pacific | -2 | low risk |
| Colubrina asiatica | Rhamnaceae | Asiatic colubrina | Assessment | U.S. (Florida) | 19 | reject** |
| Colvillea racemosa | Fabaceae | Colville's glory | Assessment |
Pacific |
-8 |
low risk |
| Combretum bracteosum | Combretaceae | hiccup nut | Assessment | U.S. (Florida) | 4 | accept* |
| Combretum constrictum | Combretaceae | combretum | Assessment | Pacific | 4 | low risk* |
| Combretum ovalifolium | Combretaceae | Assessment | U.S. (Florida) | 2 | evaluate | |
| Commelina benghalensis | Commelinaceae | tropical spiderwort | Assessment | U.S. (Florida) | 17 | reject |
| Commelina communis | Commelinaceae | Asiatic daisy | Assessment | Pacific | 21 | high risk |
| Commelina diffusa | Commelinaceae | spreading dayflower | Assessment | Pacific | 23 | high risk |
| Congea tomentosa | Verbenaceae | shower of orchids | Assessment | Pacific | 1 | low risk* |
| Conocarpus erectus | Combretaceae | buttonwood | Assessment | Pacific | 3 | low risk* |
| Copaifera langsdorffii | Fabaceae | diesel tree | Assessment | Pacific | 4 | evaluate |
| Copernicia prunifera | Arecaceae | carnauba wax palm | Assessment | Pacific | 0 | low risk |
| Coprosma repens | Rubiaceae | creeping mirrorplant | Assessment | Pacific | 8 | high risk |
| Cordia alliodora | Boraginaceae | Spanish elm | Assessment | Pacific | 8 | high risk |
| Cordia lutea | Boraginaceae | yellow geiger | Assessment | Pacific | -6 | low risk |
| Cordia monoica | Boraginaceae | snot berry | Assessment | Pacific | 4 | evaluate |
|
Boraginaceae |
geiger tree |
Pacific |
-1 |
low risk |
||
|
Cordia subcordata |
Boraginaceae |
kou |
Pacific |
-3 |
low risk |
|
| Cortaderia jubata | Poaceae | purple pampas grass | Assessment | Australia | 22 | reject |
| Cortaderia jubata | Poaceae | Andean pampas grass | Assessment | Pacific | 26 | high risk |
| Cortaderia selloana | Poaceae | silver pampas grass | Assessment | Australia | 24 | reject |
| Cortaderia selloana | Poaceae | pampas grass | Assessment | Pacific | 24 | high risk |
| Corymbia citriodora | Myrtaceae | lemon-scented gum | Assessment | Pacific | 10 | high risk |
|
Corymbia ficifolia |
Myrtaceae |
red-flowering gum |
Pacific |
-7 |
low risk |
|
| Corynocarpus laevigatus | Corynocarpaceae | karaka nut | Assessment | Pacific | 7 | high risk |
| Costus dubius | Costaceae | costus | Assessment | Pacific | 8 | high risk |
| Costus woodsonii | Costaceae | Indian-head ginger | Assessment | Pacific | 11 | high risk |
| Cotinus coggygria | Anacardiaceae | smoketree | Assessment | Pacific | 4 | evaluate |
| Cotoneaster pannosus | Rosaceae | silver-leaf cotoneaster | Assessment | Australia | 5 | evaluate |
| Cotoneaster pannosus | Rosaceae | silver-leaf cotoneaster | Assessment | Pacific | 7 | high risk |
| Cotoneaster submultiflorus | Rosaceae | many-flowered cotoneaster | Assessment | U.S. (Florida) | 2 | evaluate |
| Crassula multicava | Crassulaceae | fairy crassula | Assessment | Pacific | 12 | high risk |
| Crassula ovata | Crassulaceae | jade plant | Assessment |
Pacific |
-4 | low risk |
| Crateva religiosa | Capparaceae | spider tree | Assessment | Pacific | 0 | low risk |
| Cratoxylum formosum | Hypericaceae | pink mempat | Assessment |
Pacific |
1 | evaluate |
|
Bignoniaceae |
calabash tree |
Pacific |
-8 |
low risk |
||
| Crinum asiaticum | Liliaceae | crinum | Assessment | Pacific | -4 | low risk |
| Crossandra infundibuliformis | Acanthaceae | firecracker plant | Assessment | Pacific | 2 | low risk* |
| Crotalaria juncea | Fabaceae | Indian hemp | Assessment | Pacific | 1 | evaluate |
| Crotalaria retusa | Fabaceae | wedge-leaf crotalaria | Assessment | Australia | 5 | evaluate |
| Crotalaria spectabilis | Fabaceae | showy crotalaria | Assessment | Australia | 9 | reject |
| Crotalaria trichotoma | Fabaceae | curara-pea | Assessment | Australia | 4 | more information |
|
Cryptomeria japonica |
Taxodiaceae |
Japanese cedar |
Pacific |
-3 |
low risk |
|
| Cryptostegia grandiflora | Asclepiadaceae | rubbervine | Assessment | Australia | 16 | reject |
| Cryptostegia grandiflora | Asclepiadaceae | rubbervine | Assessment | Pacific | 28 | high risk |
|
Asclepiadaceae |
Madagascar rubber vine |
Pacific |
13 |
high risk |
||
| Cubanola domingensis | Rubiaceae | Dominica bell flower | Assessment | Pacific | -4 | low risk |
| Cupania cinerea | Sapindaceae | Assessment | U.S. (Florida) | 1 | evaluate | |
| Cupaniopsis anacardioides | Sapindaceae | carrotwood | Assessment | Pacific | 9 | high risk |
| Cupaniopsis anacardioides | Sapindaceae | carrotwood | Assessment | U.S. (Florida) | 3 | reject* |
|
Lythraceae |
false heather |
Pacific |
5 |
low risk* |
||
|
Lythraceae |
Mexican cigar plant |
Pacific |
3 |
low risk* |
||
| Cuphea subuligera | Lythraceae | mauve cuphea | Assessment | Pacific | 1 | low risk* |
| Cupressus arizonica | Cupressaceae | Arizona cypress | Assessment | Pacific | 15 | high risk |
| Cupressus x leylandii | Cupressaceae | Leyland cypress | Assessment | Pacific | -7 | low risk |
| Cupressus lusitanica | Cupressaceae | Mexican cypress | Assessment | Pacific | 6 | low risk* |
| Cupressus macrocarpa | Cupressaceae | Monterey cypress | Assessment | Pacific | 7 | high risk |
| Cupressus sempervirens | Cupressaceae | Italian cypress | Assessment | Pacific | 9 | high risk |
|
Curcuma longa |
Zingiberaceae |
tumeric |
Pacific |
-8 |
low risk |
|
| Curcuma zedoaria | Zingiberaceae | rose tumeric | Assessment | Pacific | -3 | low risk |
| Cuscuta campestris | Cuscutaceae | golden dodder | Assessment | Australia | 22 | reject |
|
Cussonia paniculata |
Araliaceae |
mountain cabbage tree |
Pacific |
-7 |
low risk |
|
|
Cussonia spicata |
Araliaceae |
cabbage tree |
Pacific |
-5 |
low risk |
|
| Cyamopsis tetragonoloba | Fabaceae | cluster bean | Assessment | Pacific | -11 | low risk |
| Cyanotis cristata | Commelinaceae | Assessment | U.S. (Florida) | 5 | evaluate | |
|
Cyatheaceae |
Australian tree fern |
Pacific |
8 |
high risk |
||
| Cyathea medullaris | Cyatheaceae | black tree fern | Assessment | Pacific | 7 | high risk |
|
Cycas revoluta |
Cycadaceae |
king sago |
Pacific |
-2 |
low risk |
|
| Cyclanthera pedata | Cucurbitaceae | wild cucumber | Assessment |
U.S. (Florida) |
1 | evaluate |
| Cymbopogon citratus | Poaceae | lemongrass | Assessment | Pacific | -2 | low risk |
| Cynodon dactylon | Poaceae | Bermuda grass | Assessment | Pacific | 22 | high risk |
| Cyperus esculentus | Cyperaceae | yellow nutsedge | Assessment | U.S. (Florida) | 19 | reject |
|
Cyperaceae |
umbrella sedge |
Pacific |
17 |
high risk |
||
| Cyperus pilosus | Cyperaceae | fuzzy flatsedge | Assessment | U.S. (Florida) | 7 | reject |
| Cyperus rotundus | Cyperaceae | purple nutsedge | Assessment | Australia | 13 | reject |
| Cyrtostachys renda | Arecaceae | sealing wax palm | Assessment | Pacific | 1 | evaluate |
| Dacryodes edulis | Burseraceae | bush buttertree | Assessment | Pacific | -3 | low risk |
| Dactylis glomerata | Poaceae | barnyard grass | Assessment | Australia | 2 | evaluate |
| Dactyloctenium aegyptium | Poaceae | beach wiregrass | Assessment | Australia | 11 | reject |
| Dalbergia latifolia | Fabaceae | black rosewood | Assessment | Pacific | 5 | evaluate |
|
Dalbergia retusa |
Fabaceae |
Nicaragua rosewood |
Pacific |
0 |
low risk |
|
| Dalbergia sissoo | Fabaceae | Indian rosewood | Assessment | Australia | 21 | reject |
| Dalbergia sissoo | Fabaceae | Indian rosewood | Assessment | Pacific | 13 | high risk |
| Dasylirion acrotrichum | Nolinaceae | green desert spoon | Assessment | Pacific | 0 | low risk |
| Dasylirion quadrangulatum | Nolinaceae | Mexican grass tree | Assessment | Pacific | -4 | low risk |
| Datura ferox | Solanaceae | fierce thorn-apple | Assessment | Australia | 21 | reject |
| Datura inoxia | Solanaceae | sacred datura | Assessment | Australia | 21 | reject |
| Datura metel | Solanaceae | jimson-weed | Assessment | Australia | 21 | reject |
| Datura stramonium | Solanaceae | jimson-weed | Assessment | Australia | 5 | evaluate |
| Davallia fejeensis | Davalliaceae | lacy hare's-foot fern | Assessment | Pacific | 6 | low risk* |
| Delairea odorata | Asteraceae | German ivy | Assessment | Pacific | 14 | high risk |
| Delonix decaryi | Fabaceae | Assessment | U.S. (Florida) | 1 | accept* | |
| Delonix regia | Fabaceae | flame tree | Assessment | Pacific | -1 | low risk |
| Delonix velutina | Fabaceae | Assessment | Pacific | -6 | low risk | |
| Deplanchea tetraphylla | Bignoniaceae | golden boquet tree | Assessment | Pacific | -2 | low risk |
| Derris elliptica | Fabaceae | tubaroot | Assessment | Pacific | 7 | high risk |
| Desmanthus virgatus | Fabaceae | virgate mimosa | Assessment | Australia | 9 | reject |
|
Fabaceae |
slender mimosa |
Pacific |
12 |
high risk |
||
| Desmodium heterophyllum | Fabaceae | hetero | Assessment | Australia | 3 | evaluate |
| Desmodium incanum | Fabaceae | kaimi clover | Assessment | Australia | 9 | reject |
| Desmodium nicaraguense | Fabaceae | vara de arco | Assessment | Pacific | -2 | low risk |
| Desmodium scorpiurus | Fabaceae | Assessment | Australia | 5 | more information | |
| Desmodium tortuosum | Fabaceae | Florida beggarweed | Assessment | Australia | 6 | reject |
| Desmodium tortuosum | Fabaceae | Florida beggarweed | Assessment | U.S. (Florida) | 14 | reject |
|
Desmodium umbellatum |
Fabaceae |
horse bush |
Pacific |
5 |
low risk* |
|
| Desmodium uncinatum | Fabaceae | silverleaf desmodium | Assessment | Australia | 6 | reject |
| Dianella caerulea | Liliaceae | cerulean flaxlily | Assessment | Pacific | 5 | evaluate |
| Dianella revoluta | Hemerocallidaceae | spreading flax lily | Assessment | Pacific | 2 | low risk* |
| Dianella tasmanica | Hemerocallidaceae | Tasman flax lily | Assessment | Pacific | 0 | low risk |
| Dianthus cretaceus | Caryophyllaceae | Assessment | U.S. (Florida) | -1 | accept | |
| Dianthus imereticus | Caryophyllaceae | Assessment | U.S. (Florida) | 0 | accept | |
|
Dichorisandra thyrsiflora |
Commelinaceae |
blue ginger |
Pacific |
1 |
low risk* |
|
| Dichrostachys cinerea | Fabaceae | marabou-thorn | Assessment | Pacific | 16 | high risk |
|
Dictyosperma album |
Arecaceae |
hurricane palm |
Pacific |
-3 |
low risk |
|
|
Araceae |
dumb cane |
Pacific |
7 |
high risk |
||
| Digitalis purpurea | Scrophulariaceae | foxglove | Assessment | Pacific | 7.5 | high risk |
| Digitaria abyssinica | Poaceae | African couch grass | Assessment | Pacific | 16 | high risk |
| Digitaria insularis | Poaceae | sour grass | Assessment | Pacific | 20 | high risk |
| Dillenia reticulata | Dilleniaceae | Assessment | U.S. (Florida) | -2 | accept | |
| Dillenia suffruticosa | Dilleniaceae | shrubby dillenia | Assessment | Pacific |