Pacific Island Ecosystems at Risk (PIER)
Report on invasive plant species in Kiribati
Appendix 1. Invasive Species
Table 1. Species that are invasive elsewhere in the Pacific and in similar ecosystems but are not known to be present on Tarawa, Abemama, Butaritari or Maiana
|
Scientific Name |
Common Names |
Family |
Habit |
| Abelmoschus moschatus | English: fautia, musk mallow, musk okra; French: ambrette, gombo musqué, ketmie musquée, graine de musc; Other: ‘aute toga, fau tagaloa, fua samasama (American Samoa and Samoa); karereon, karereon nikapwerik nik, kareron, likonokon (Chuuk); vavai tara (Cook Islands); ta‘uri‘au (Cook Islands (Mangaia)); wakiwaki, wakewake, wakeke, vakeke, aukiki, okeoke, o‘e‘e (Fiji);kamang, ka‘mang (Guam); fou ingo (Niue), gongul (Palau); metei, mety, methey (Pohnpei); loa, fau‘ingo (Tonga); fau ingo (Wallis and Futuna); hathongethong, kamwayang, nikapwerik, setmwechin, sotumo (Yap) | Malvaceae | herb |
| Abutilon grandifolium | English: hairy abutilon | Malvaceae | shrub |
| Abutilon theophrasti | English: abutilon-hemp, butterprint, buttonweed, China-jute, Indian-mallow, Tientsin-jute, velvetleaf, velvetweed | Malvaceae | herb |
| Acacia aulacocarpa | English: brown salwood, brush ironbark wattle, hickory wattle; Other: ākasia (Cook Islands) | Fabaceae | tree |
| Acacia auriculiformis | English: Papuan wattle, auri, earleaf acacia, northern black wattle, ear-pod wattle; Other: ākasia (Cook Islands); tuhkehn pwelmwahu (Pohnpei) | Fabaceae | tree |
| Acacia confusa | English: Formosa koa, Formosa acacia; Other: sosigi, shoshigi, sosugi, boiffuring (Guam and CNMI–Chamorro); serepa, soschghi (CNMI–Carolinian); pilampwoia (Pohnpei); ianángi, yanangi (Palau) | Fabaceae | tree |
| English: northern wattle, Papua New Guinea red wattle; Other: ākasia (Cook Islands) | Fabaceae | tree | |
| English: redwood; French: amourette | Fabaceae | tree | |
| Acacia longifolia | English: Sydney golden wattle, golden wattle, long-leaved wattle, long-leaved acacia, sallow wattle, coast wattle, golden rods | Fabaceae | tree |
| Acacia mangium | English: mangium, brown salwood, black wattle, hickory wattle; Other: ākasia (Cook Islands); tuhkehn pwelmwahu (Pohnpei) | Fabaceae | tree |
| Acacia mearnsii | English: black wattle; French: acacia noir; Other: ākasia (Cook Islands) | Fabaceae | tree |
| Acacia melanoxylon | English: Australian blackwood, blackwood acacia | Fabaceae | tree |
| Acacia nilotica | English: prickly acacia, black thorn, Egyptian thorn, Nile acacia, algaroba, babul, gum arabic tree; French: acacia à gomme; Other: tiare (New Caledonia) | Fabaceae | tree |
| Acacia sinuata | English: chikakai, piquant sappan, sappan, soap pod | Fabaceae | shrub |
| Acacia spp. | English: acacia | Fabaceae | shrubs/trees |
| Acalypha alopecuroides | English: foxtail copperleaf | Euphorbiaceae | herb |
| Acalypha indica | English: copperleaf, Indian-nettle, ricinela; Other: hierba del cancer (Guam-Chamorro) | Euphorbiaceae | herb |
| Acalypha lanceolata | Other: puapua (Cook Islands (Miti’aro)); ongo ongo (Niue); ogo ogo (Samoa); hongohongo (Tonga | Euphorbiaceae | herb |
| Acanthocereus tetragonus | English: barbed-wire cactus, sword-pear, triangle cactus | Cactaceae | succulent |
| Acmella uliginosa | Other: mbotembotekoro (Fiji) | Asteraceae | herb |
| Adenanthera pavonina | English: coral bean tree, red sandalwood tree, red bead tree, lopa, bead tree, false wiliwili, peacock flower-fence, Polynesian peanut; French: bois de condori; Other: lopa (American Samoa, French Polynesia, Samoa and Tonga); mata kōviriviri (Cook Islands); kōviriviri, tavara (Cook Islands (Mangaia)); pitipiti‘ō (Cook Islands (‘Atiu)); lera, lere ndamu, vaivai, vaivai ni vavalangi (Fiji), pomea (Fiji, Niue), la‘au paina, pitipitio (French Polynesia); colales, culalis, kolales, kulales, kulalis (Guam, CNMI); hua‘ula‘ula (Hawai’i); (metekam, metkam, metkem, mwetkwem (Kosrae); telengtúngd, telentundalel (Palau); kaikes (Pohnpei) | Fabaceae | tree |
| Aeschynomene indica | English: budda pea, curly-indigo, hard sola, Indian joint-vetch, kat sola, northern joint-vetch, sensitive jointed vetch, sensitive vetch | Fabaceae | herb |
| Ageratina riparia | English: spreading mistflower, creeping croftonweed, river eupatorium; Other: hamakua pamakani (Hawai’i) | Asteraceae | herb |
| Ageratum conyzoides | English: billygoat-weed, chick week, goatweed, whiteweed; French: azier françois baume, bouton; Other: botebotekoro, mata mothemothe, mbotembotekoro, sogovanua, songovanua (Fiji); mumutung (Guam-Chamorro), maire vaihi (French Polynesia); maile hohono, maile honohono, maile kula (Hawai’i); sekose sea (Niue); ngmak (Palau); a‘amia, tae‘oti (Samoa); te‘ehosi (Tonga) | Asteraceae | herb |
| Ailanthus altissima | English: tree of heaven, varnishtree | Simaroubaceae | tree |
| Albizia chinensis | English: Chinese albizia, silktree; Other: ‘arapitia (Cook Islands); tamaligi uliuli, tamaligi ena‘ena (Samoa) | Fabaceae | tree |
| Albizia lebbeck | English: siris-tree, rain tree, East Indian walnut, kokko, woman’s-tongue tree, soros-tree, raom tree; French: bois noir; Other: ‘arapitia (Cook Islands (Miti‘aro)); trongkon-mames, tronkon mames, mamis (Guam); kalaska, trongkon-kalaska (CNMI–Chamorro); schepil kalaska (CNMI–Carolinian); ukall ra ngebard (Palau); gumorningabchey; ngumorrningobchey (Yap); ‘ohai (Hawai’i); vaivai, vaivai ni vavalangi, vaivai ni vavalagi (Fiji); tamaligi pa’epa’e (Samoa); kasia (Tonga) | Fabaceae | tree |
| Aleurites moluccana | English: candlenut, Indian walnut; French: bancoulier, bancoulier, noyer de bancoul, noyer des Moluques; Other: lumbang (Guam), raguar (Caroline Islands); sakan, shakan (Pohnpei); lama (American Samoa and Samoa); kukui (Hawai’i); tuitui (Cook Islands, Niue, Tonga), ‘ama (Marquesas); lauci, lauthe, lauthi, toto, tuitui, tutui, waiwai, sekeci,sikethi, sikeli, nggerenggere (Fiji); tahii tiairi, ti’a’iri, tutui, tahiri (French Polynesia) | Euphorbiaceae | tree |
| Alpinia purpurata | English: red ginger; Other: kōpī muramura (Cook Islands); thevunga (Fiji); ‘awapuhi ‘ula‘ula (Hawai’i); teuila (Samoa); tevunga (Tonga) | Zingiberaceae | herb |
| Alstonia macrophylla | English: devil-tree | Apocynaceae | tree |
| Alternanthera brasiliana | English: Brazilian joyweed, Joseph’s coat | Amaranthaceae | herb |
| Alternanthera philoxeroides | English: alligator weed | Amaranthaceae | herb |
| Alternanthera pungens | English: khaki weed | Amaranthaceae | herb |
| Alternanthera sessilis | English: joyweed, sessile joyweed; Other: mata kura (Cook Islands (‘Atiu)); geluti (Fiji); okula beluulechad (Palau); fisi‘I‘anoa (Tonga) | Amaranthaceae | herb |
| Alysicarpus vaginalis | English: alyce-clover, buffalo-clover, one-leaf-clover; French: alysicarpus | Fabaceae | herb |
| Amaranthus blitum | English: amaranth, livid amaranth, slender amaranth; French: amarante livide; Other: tupu’a (Tonga) | Amaranthaceae | herb |
| Amaranthus cruentus | English: bush greens, purple amaranth, red amaranth, red shank; French: amarante étalée, queue de renard | Amaranthaceae | herb |
| Amaranthus interruptus | English: amaranth | Amaranthaceae | herb |
| Amaranthus spinosus | English: edlebur, needle burr, spiny amaranth, thorny pigweed; French: épinard cochon, épinard malabre; Other: kulites, kuletes (Guam—Chamorro); pakai kuku (Hawai’i) | Amaranthaceae | herb |
| Ammannia auriculata | Lythraceae | herb | |
| Anacardium occidentale | English: cashew, cashew nut; French: anacardier, pomme de cojou, acajou a pommes, pommier d’acajou; Other: kātū (Cook Islands); kasoe, kasoi (Guam); ‘apu ‘initia (Samoa); ‘apu, kesiu (Tonga) | Anacardiaceae | tree |
| Anagallis arvensis | English: bird’s-eye, poor-man’s weatherglass, red chickweed, scarlet pimpernel, shepherd’s-weatherglass; French: buglosse des champs, mouron des champs | Primulaceae | herb |
| Andropogon gayanus | English: gamba grass, tambuki grass | Poaceae | grass |
| Andropogon glomeratus | English: bush beardgrass, bushy bluestem | Poaceae | grass |
| Andropogon virginicus | English: broomsedge, yellow bluestem, whisky grass | Poaceae | grass |
| Annona glabra | English: pond apple, alligator apple, bullock’s heart, cherimoyer; French: annone des marais, corossolier des marais; Other: uto ni mbulumakau, uto ni bulumakau, kaitambo, kaitambu (Fiji) | Annonaceae | tree |
| Annona muricata | English: soursop, prickly custard apple; French: corossolier, cacheimantier épineux, cachiman épineux, corossol épineux; Other: syasyap (Commonwealth of the Northern Mariana Islands); kātara‘apa (Cook Islands); kātara‘apa papa‘ā (Cook Islands (Mangaia)); naponapo taratara (Cook Islands (Aitutaki)); saasaf, sasaf (Chuuk); tapotapo papaa (French Polynesia); laguana, laguaná, laguanaha, laguanaba, labuanaha (Guam); sosap (Kosrae); jojaab (Marshall Islands); talapo fotofoto (Niue); sausab (Palau); sei, sae, truka shai (Pohnpei); sasalapa (Samoa); ‘apele ‘initia (Tonga); sausau (Yap) | Annonaceae | tree |
| Annona reticulata | English: bullock’s-heart, custard-apple; French: annone réticulée, �ame� de boeuf; Other: uto ni bulamakau, chotka sarifa (Fiji) | Annonaceae | tree |
| Anredera cordifolia | English: Madeira vine, mignonette vine, lamb’s tails; Other: tāpau (Cook Islands (‘Atiu)); ‘uala hupe (Hawai’i); filikafa (Niue) | Basellaceae | vine |
| Araujia sericifera | English: moth plant, moth catcher, white bladder flower | Ascelepiadaceae | vine |
| Ardisia crenata | English: hen’s eyes, Hilo holly, coral berry, Australian holly, scratchthroat; French: arbre à noël | Myrsinaceae | shrub |
| Ardisia elliptica | English: shoebutton ardisia; Other: venevene tinitō (Cook Islands); ati popa‘a, atiu (French Polynesia); togo vao (Samoa) | Myrsinaceae | shrub |
| Argemone mexicana | English: Mexican prickly-poppy, Mexican poppy, prickly poppy, yellow thistle; French: argémone du Mexique | Papaveraceae | herb |
| Argyreia nervosa | English: elephant creeper, Hawaiian baby woodrose , silver morning glory, woolly morning glory; French: coup d’air, liane a minguet, liane d’ argent | Convolvulaceae | vine |
| Aristolochia littoralis | English: Dutchman’s pipe, calico flower; Other: mokorā (Cook Islands); fue paipa holani (Tonga) | Aristolochiaceae | vine |
| Arthrostemma ciliatum | English: arthrostemma, everblooming eavender | Melastomataceae | herb |
| Arundo donax | English: giant reed, Spanish reed, wild cane; French: canne de Provence, grand roseau; Other: ngasau ni vavalangi (Fiji); fiso palagi (Samoa); kaho folalahi (Tonga) | Poaceae | grass |
| Asparagus densiflorus | English: asparagus fern, sprengeri fern, smilax, regal fern | Liliaceae | herb |
| Asparagus setaceus | English: ornamental asparagus, climbing asparagus fern, plumosa; French: asperge plumeuse; Other: remu (Cook Islands); taupo ‘ou (Tonga) | Liliaceae | vine |
| Austroeupatorium inulaefolium | Asteraceae | herb | |
| Averrhoa bilimbi | English: bilimbi, cucumber tree, tree cucumber, tree sorrel; French: zibeline; Other: pikue (Guam-Chamorro) | Oxalidaceae | tree |
| Axonopus compressus | English: blanket grass, carpetgrass; Other: kambutu ni vavalangi (Fiji) | Poaceae | grass |
| Axonopus fissifolius | English: caratao grass, narrow-leaved carpetgrass | Poaceae | grass |
| Azadirachta indica | English: neem, nim, margosa | Meliaceae | tree |
| Azolla filiculoides | English: azolla, large mosquito fern | Azollaceae | aquatic fern |
| Azolla pinnata | English: mosquito fern, ferny azolla, water velvet | Azollaceae | aquatic fern |
| Bacopa procumbens | Scrophulariaceae | herb | |
| Barleria lupulina | English: hophead, Philippine violet | Acanthaceae | shrub |
| Barleria prionitis | English: barleria, porcupine flower | Acanthaceae | shrub |
| Bauhinia acuminata | English: dwarf white bauhinia | Fabaceae | tree |
| Bauhinia monandra | English: orchid-tree, St. Thomas-tree, Napoleon’s plume; flamboyant (Pohnpei), mariposa (Guam); pink butterfly tree (Fiji); Other: vae povi (American Samoa and Samoa); flores mariposa (Commonwealth of the Northern Mariana Islands); pine (Cook Islands (Rarotonga), French Polynesia); pīpīpipi (Cook Islands (Aitu)); pī pi (Cook Islands (Ma‘uke and Miti‘aro)); pine fua loloa (Niue) | Fabaceae | tree |
| Bauhinia purpurea | English: purple orchid tree; purple butterfly tree, pink butterfly tree (Fiji); French: fleurs pourpres | Fabaceae | tree |
| Bauhinia variegata | English: orchid tree; mountain ebony, butterfly tree (Fiji); French: bois de boeuf, sabot boeuf, arbre de Saint-Thomas | Fabaceae | tree |
| Begonia x_semperflorens-cultorum | English: bedding begonia, perpetual begonia, wax begonia; French: bégonia semperflorens | Begoniaceae | herb |
| Bidens alba | English: beggar’s tick, Spanish needle, cobbler’s pegs, romerillo; Other: ki, ki nehe, ki pipili, nehe (Hawai’i) | Asteraceae | herb |
| Bixa orellana | English: anatto, annato, annatto, arnatto, lipstick tree; French: atole, roucou, roucouyer; Other: ‘uaeva, tāmuramura (Cook Islands (Ma‘uke)), nggisa, nggesa, qesa (Fiji), ‘uaefa (French Polynesia (Tahiti)), achiote (Guam—Chamorro); ‘alaea, ‘alaea la‘au, kumauna (Hawai’i); burek (Palau) | Bixaceae | shrub |
| Blainvillea gayana | Asteraceae | herb | |
| Bocconia frutescens | English: bocconia, plume-poppy, tree poppy, tree celandine, parrotweed | Papaveraceae | shrub |
| Boerhavia coccinea | English: boerhavia, hog weed, hog feed, red spiderling, wineflower, tar vine; Other: mata pavo, patagon | Nyctaginaceae | herb |
| Borreria verticillata | Rubiaceae | herb | |
| Bothriochloa bladhii | English: blue grass, Australian beardgrass, Caucasian bluestem; Other: desum (Palau); latoka grass, thamboni grass (Fiji) | Poaceae | grass |
| Brachiaria eruciformis | English: sweet signal grass | Poaceae | grass |
| Brillantaisia lamium | Acanthaceae | herb | |
| Brugmansia suaveolens | Solanaceae | shrub | |
| Buddleja asiatica | English: dog tail; Other: huelo ‘ilio (Hawai’i) | Scrophulariaceae | shrub |
| Buddleja davidii | English: orange eye, butterfly bush, summer lilac | Scrophulariaceae | shrub |
| Buddleja madagascariensis | English: butterfly bush, smoke bush | Scrophulariaceae | shrub |
| Caesalpinia decapetala | English: cat’s claw, Mysore thorn, Mauritius thorn, wait-a-bit; French: bois sappan; Other: puakelekino (Hawai’i) | Fabaceae | shrub |
| Cajanus scarabaeoides | English: peanut grass (Fiji), tropical clover (Fiji) | Fabaceae | vine |
| Calamus spp. | English: rattan; Other: rotan, bejuko-n-halumtano, rotan bejuro-n-halumtan (Guam); bangerenguis ra ngebard (Palau) | Arecaceae | vine (palm) |
| Calliandra calothyrsus | English: powderpuff red calliandra; Other: kaliana (Samoa) | Fabaceae | shrub |
| Calliandra haematocephala | English: red powder puff; French: pompon | Fabaceae | shrub |
| Calliandra surinamensis | English: Surinamese stickpea | Fabaceae | tree |
| Callisia fragrans | English: fragrant inch plant, basketplant, spironema | Commelinaceae | herb |
| Calopogonium mucunoides | English: calopo; Other: akankan-guakag (Guam) | Fabaceae | vine |
| Calotis lappulacea | English: bur daisy, yellow daisy burr | Asteraceae | herb |
| Calotropis procera | English: calotropis, rubber bush, apple of Sodom, mudar, madar, king’s crown, roostertree; French: arbre à soie | Ascelepiadaceae | shrub |
| Cananga odorata | English: perfume tree; French: canang odorant; Other: moso‘oi (American Samoa and Samoa); pwanang, pwuur, pwalang (Chuuk); ylang-ylang, lengileng; (CNMI); moto‘oi, mata‘oi, mato‘oi (Cook Islands, Niue, Tahiti); makasoi, makosoi, makusui, mokohoi, mokosoi (Fiji); moto‘I (French Polynesia); ilang-ilang, alang-ilang (Guam, CNMI, Philippines); lanalana (Hawai’i); ilanlang, ilahnglahng (Kosrae); ilanilan, (Marshall Islands); motoi (Niue); chiráng, irang (Palau); pur-n-wai, pwurenwai, sair-n-wai, seirin wai, seir en wai (Pohnpei); mohoki, mohokoi (Tonga) | Annonaceae | tree |
| Cardiospermum grandiflorum | English: balloon vine; heart seed; Other: kopūpū takaviri? (Cook Islands) | Sapindaceae | vine |
| Cardiospermum halicacabum | English: balloon vine, heart pea, love-in-a-puff; Other: wa niu, vo niu (Fiji); vinivinio (French Polynesia), poniu, haleakai‘a, ‘inalua, pohuehue uka (Hawai’i) | Sapindaceae | vine |
| Carludovica palmata | English: Panama hat plant; French: carludovique palmée; Other: Panamā (Cook Islands) | Cyclanthaceae | shrub |
| Carpobrotus edulis | English: ice plant, pigface, hottentot fig | Aizoaceae | succulent |
| Castilla elastica | English: Panama rubber tree, Mexican rubber tree, uletree; Other: pulu mamoe (American Samoa) | Moraceae | tree |
| Casuarina cunninghamiana | English: river oak, river she-oak, small cone ironwood | Casuarinaceae | tree |
| Casuarina glauca | English: swamp oak, saltmarsh ironwood, longleaf ironwood, gray sheoak | Casuarinaceae | tree |
| Cecropia obtusifolia | English: trumpet tree, guarumo; Other: rau-māniota (Cook Islands) | Cecropiaceae | tree |
| Cecropia peltata | English: trumpet tree; French: parasolier, faux-ricin, pisse-roux, bois cannon | Cecropiaceae | tree |
| Cedrela odorata | English: cigar box cedar, Mexican cedar, West Indian cedar, Spanish cedar, Barbados cedar; French: cèdre acajou, cèdre des barbares; Other: sita hina (Tonga) | Meliaceae | tree |
| Ceiba pentandra | English: kapok, kapok tree, silk-cotton tree, pacae; French: kapokier, capoc, bois coton; Other: vavae (American Samoa, Samoa, Niue, Tonga); koton (Chuuk); algodon de Manila, atgodon di Manila, algidon, atgidon de Manila (Commonwealth of the Northern Mariana Islands, Guam); vavai (Cook Islands and French Polynesia); vavai mama‘u, vavai maori (Cook Islands); mama‘u (Cook Islands (Mangaia, Aitutaki?)); vauvau ni vavalangi, semar (Fiji); algodon de Manila, atgodon di Manila, algidon, atgidon de Manila (Guam); kuhtin, cutin (Kosrae); koatoa, atagodon, bulik, kotin (Marshall Islands); kalngebard, kalngebárd, kerrekar ngebard (Palau); cottin, koatun, koatoa (Pohnpei); arughuschel (Saipan), batte ni gan’ ken (Yap) | Bombacaceae | tree |
| Celosia argentea | English: cockscomb; repe moa (French Polynesia); esechilamalk (Palau) | Amaranthaceae | herb |
| Cenchrus brownii | English: burgrass, burr grass, sand-bur, slimbristle sandbur | Poaceae | grass |
| Centaurea melitensis | English: Maltese cockspur, Maltese star thistle, Napa thistle, yellow star thistle; French: coix de Malte | Asteraceae | herb |
| Centaurium spicatum | English: spiked centaury | Gentianaceae | fern |
| Centella asiatica | English: Asiatic pennywort, Indian pennywort, marsh pennywort, pennyweed, sheep-rot, thankuni; French: écuelle d’eau, fausse violette; Other: kapukapu (Cook Islands); totondro, totono, tatandra (Fiji); pohe kula (Hawai’i); tonu (Niue); tono (Niue, Tonga); elisichur, elsichur (Palau); togo (Samoa) | Apiaceae | herb |
| Centratherum punctatum | Asteraceae | herb | |
| Centrosema pubescens | English: centro, butterfly-pea; French: fleur-languette, pois bâtard; Other: piriarero (Cook Islands (Miti‘aro)); pi ni ndola (Fiji) | Fabaceae | vine |
| Cestrum diurnum | English: inkberry, day jessamine, day cestrum, China berry; Other: ariki-va‘ine (Cook Islands); thauthau (Fiji); tinta ‘n-China, tentanchinu, tintan China (Guam, CNMI); makahala (Hawai’i); sugi vao, suni vao (Samoa); vaitohi (Tonga) | Solanaceae | shrub |
| Cestrum parqui | English: green cestrum, willow-leaved jessamine, Chilean cestrum, green poison-berry | Solanaceae | shrub |
| Chamaecrista mimosoides | English: Japanese tea | Fabaceae | herb |
| Chenopodium ambrosioides | English: American wormseed, bluebush, Jerusalem tea, Mexican tea, Spanish-tea, wormseed; French: ambroisie du Mexique, herbe a puces; Other: wai ni ukuwomu (Fiji); apasotes, alapasotes (Chamorro-Guam) | Chenopodiaceae | herb |
| Chenopodium murale | English: Australian-spinach, green fat hen, nettle-leaf goosefoot, salt-green, sowbane | Chenopodiaceae | herb |
| Chloris divaricata | English: slender chloris, star grass, star windmill grass | Poaceae | grass |
| Chloris gayana | English: Rhodes grass; French: chloris, herbe de Rhodes | Poaceae | grass |
| Chloris radiata | English: plush-grass, radiate fingergrass | Poaceae | grass |
| Chloris virgata | English: feather finger grass, feathered chloris, feathertop Rhodes grass, feathery Rhodes grass, oldland grass, sweet grass | Poaceae | grass |
| Chromolaena odorata | English: chromolaena, Siam weed, triffid weed, bitter bush, Jack in the bush; French: herbe du Laos; Other: kesengesil, masigsig (Commonwealth of the Northern Mariana Islands, Guam); otuot (Chuuk), ngesngesil (Palau); wisolmatenrehwei (Pohnpei); mahsrihsrihk (Kosrae); hagonoy, agonoi, huluhagonoi (Philippines) | Asteraceae | shrub |
| Chrysobalanus icaco | English: coco plum, icaco; French: prunier �ame�I, icacier, icaquier, icaque, prune colon; Other: apolo (Fiji) | Chrysobalanaceae | shrub |
| Chrysophyllum oliviforme | English: satin leaf, wild star-apple, damson plum | Sapotaceae | tree |
| Chrysopogon aciculatus | English: Mackie’s pest, lovegrass, seed grass, golden beardgrass, seedy grass (Solomon Islands); French: herbe plate, herbe à piquant; Other: matie ‘enua, mauku ko‘eko‘e (Cook Islands); tuakura (Cook Islands (Ngaputoru)); papapa (French Polynesia); inifuk, palaii (Guam); manienie ‘ula, pi‘ipi‘I, pilipili ‘ula (Hawai’i); mosie fisi (Niue); iul (Palau); mutia tai, mutia vao (Samoa); matapekepeke, matapekapeka matapekepeka (Tonga); herbe plate (Vanuatu) | Poaceae | grass |
| Cinchona pubescens | English: quinine tree, red cinchona; French: quinquina rouge | Rubiaceae | tree |
| Cinnamomum burmanni | English: padang cassia; French: cannelier de Malaisie | Lauraceae | tree |
| Cinnamomum camphora | English: camphor tree, camphor laurel; French: camphre, camphrier | Lauraceae | tree |
| Cinnamomum verum | English: cinnamon tree; French: cannelier de Ceylan; Other: ochod ra ngebard (Palau). Tinamoni, tigamoni (American Samoa and Samoa) | Lauraceae | tree |
| Cirsium vulgare | English: spear thistle, Scotch thistle, bull thistle, black thistle, plume thistle; Other: pua kali (Hawai’i) | Asteraceae | herb |
| Cissus nodosa | English: grape ivy | Vitaceae | vine |
| Citharexylum caudatum | English: juniper berry | Verbenaceae | tree |
| Citharexylum spinosum | English: fiddlewood; Other: masese (Fiji) | Verbenaceae | tree |
| Clausena excavata | English: clausena | Rutaceae | tree |
| Cleome gynandra | English: African spider-flower, bastard-mustard, cat’s-whiskers, spider wisp, wild spider flower; French: feuilles caya, mozambé; Other: honohina, ‘ili‘ohu (Hawai’i) | Capparaceae | herb |
| Cleome spinosa | English: spiny spider-flower | Capparaceae | herb |
| Clerodendrum buchananii var. fallax | English: red clerodendrum, pagoda-flower; Other: rākau tupopoku (Cook Islands (‘Atiu)); talufe (Niue); lau‘awa (Hawai’i); butcherechár, butecherechar (Palau); amo’ula, amo’ule (Tonga) | Lamiaceae | shrub |
| Clerodendrum chinense | English: Honolulu rose, stickbush, glory bower; Other: losa Honolulu, losa Onolulu (American Samoa and Samoa); pītate māma‘o, tiare tupapaku? (Cook Islands); pikake hohono, pikake wauke (Hawai’i) | Lamiaceae | shrub |
| Clerodendrum japonicum | English: glorybower | Lamiaceae | shrub |
| Clerodendrum paniculatum | English: pagoda plant, pagoda flower; Other: butcherechár, butecherechar (Palau); tukehn sousou (Pohnpei) | Lamiaceae | shrub |
| Clerodendrum quadriloculare | English: bronze-leaved clerodendrum; Other: tirooj in belle (Marshall Islands); kleuang (Palau); tuhkehn palau (Pohnpei); bagauac (Philippines); losa, losa Fiti (American Samoa and Samoa) | Lamiaceae | shrub |
| Clidemia hirta | English: Koster’s curse, soap bush; French: canot-macaque; Other: kauresinga, kaurasinga, roinisinga, ndraunisinga, mara na bulumakau, mbona na mbulamakau, vuti (Fiji); kui, kúi (Palau); la‘au lau mamoe (Samoa), kaurasiga (from Ecoport, no source given) | Melastomataceae | shrub |
| Clusia rosea | English: signature tree, autograph tree, copey, Scotch attorney, pitchapple | Clusiaceae | tree |
| Coccinia grandis | English: ivy gourd, scarlet-fruited gourd; Other: kundru (Fiji); kiuri awia (Marshall Islands); aipikohr (Pohnpei) | Cucurbitaceae | vine |
| Coffea arabica | English: coffee; French: café, caféier d’ Arabie; Other: kaope, kaope Maori (Cook Islands); kove (Fiji); kofe (Fiji, Niue, Samoa), kafe (French Polynesia – Marquesas); kohi (Palau); kofi (Tonga); taofe (Tahiti) | Rubiaceae | tree |
| Coix lacryma-jobi | English: adlay, adlay millet, Job’s-tears; French: larmes de Job; Other: poepoe (Cook Islands, French Polynesia (Tahiti)), sila (Fiji); pū‘ohe‘ohe, kūkaekōlea, ‘ohe‘ohe, pūpū kōlea (Hawai’i); tangatanga (Niue); demairuuch, tauiir (Palau); sanasana, sagasaga (Samoa); hana (Tonga) | Poaceae | grass |
| Commelina benghalensis | English: Benghal dayflower, dayflower, hairy wandering Jew, wandering Jew; Other: hairy honohono (Hawai’i); mau’u Tonga (Samoa); kanini, kaningi, musie matala pulu (Tonga) | Commelinaceae | herb |
| Commelina diffusa | English: commelina, dayflower, wandering Jew, spiderwort; Other: mau‘u toga, mau‘u Tonga (American Samoa and Samoa); mauku-vai, mauku ‘oro‘enua, mauku puakatoro (Cook Islands); ai rorongi, ai rongorongo, airogorogo, cobulabula, rongomatailevu, thombulambula, matembulambula, drano,duludauwere, ndrano, ndulandauwere, luna, tho nggalonggalo (Fiji), ma‘apape (French Polynesia); semprebiban-damalong (Guam); honohono, honohono wai, mākolokolo (Hawai’i); mohuku vai, musie matala pulu (Tonga) | Commelinaceae | herb |
| Conocarpus erectus | English: sea mulberry, buttonwood, button mangrove | Combretaceae | shrub/tree |
| Conyza aegyptiaca | English: fleabane | Asteraceae | herb |
| Conyza canadensis | English: butterweed, Canadian horseweed, Canadian fleabane, hogweed, horseweed | Asteraceae | herb |
| Conyza sumatrensis | English: broadleaf fleabane, tall fleabane; Other: wavuwavu, tho ni vavalangi, tho ni papalangi, tumbua, thovuka, matakaro (Fiji); pakaka (Tonga) | Asteraceae | herb |
| Corchorus olitorius | English: Jew’s mallow, jute, Nalta jute, tossa jute; French: corète potagère; Other: melokhia (Fiji) | Tiliaceae | herb |
| Corchorus trilocularis | Tiliaceae | herb | |
| Cordia alliodora | English: laurel, Ecuador laurel, salmwood, Spanish elm; French: bois de Chypre, pardillo; Other: kotia (Samoa, Tonga) | Boraginaceae | tree |
| Cordia curassavica | English: black sage | Boraginaceae | shrub |
| Cordia glabra | English: broad-leaved cordia | Boraginaceae | tree |
| Coronopus didymus | English: bittercress, swinecress, wart cress; Other: lesivao (Tonga) | Brassicaceae | herb |
| Cortaderia jubata | English: jubata grass, Andean pampas grass, purple pampas grass | Poaceae | grass |
| Cortaderia selloana | English: pampas grass, silver pampas grass, Uruguayan pampas grass | Poaceae | grass |
| Corynocarpus laevigatus | English: New Zealand laurel, karakara nut | Corynocarpaceae | tree |
| Cosmos caudatus | English: cosmos | Asteraceae | herb |
| Costus speciosus | English: crepe ginger, crape ginger, wild ginger, Malay ginger, canereed; Other: isebsab (Palau) | Zingiberaceae | herb |
| Cotula australis | Engllish: bachelor’s-button, carrotweed, common cotula, Australian brass buttons | Asteraceae | herb |
| Crassocephalum crepidioides | English: thickhead, fireweed, redflower ragleaf; Other: fua lele, pualele (American Samoa and Samoa); maraburubo (Solomon Islands); fisi puna (Tonga); se vuka (Fiji) | Asteraceae | herb |
| Crotalaria linifolia | English: narrow-leaved crotalaria | Fabaceae | herb |
| Crotalaria micans | English: crotalaria; Other: pine kotalelia, pile (Niue) | Fabaceae | shrub |
| Crotalaria pallida | English: salts rattlebox, smooth crotalaria, smooth rattlebox, smooth rattlepod, streaked rattlepod, striped crotalaria; French: crotalaire mucronée; Other: maniva (Cook Islands (‘Atiu)); nggiringgiri, kaumothe, toela, pini (Fiji); pikakani, kolomona (Hawai’i); pine kotalelia (Niue); pi’isi (Tonga) | Fabaceae | shrub |
| Crotalaria quinquefolia | English: rattlepod; Other: mboa (Fiji); kaskabeles, cascanetas (Chamorro-Guam) | Fabaceae | herb |
| Crotalaria verrucosa | English: blue-flower rattlepod, tooth-leaf rattlepod | Fabaceae | herb |
| Crotalaria trichotoma | English: curara-pea | Fabaceae | herb |
| Cryptostegia grandiflora | English: rubber vine, India rubber vine, Palay rubbervine; Other: liane de gatope (New Caledonia) | Ascelepiadaceae | vine |
| Cryptostegia madagascariensis | English: Madagascar rubbervine | Ascelepiadaceae | vine |
| Cupaniopsis anacardioides | English: carrotwood, tuckeroo | Sapindaceae | tree |
| Cuphea carthagenensis | English: Columbian cuphea, Colombian waxweed, tarweed; Other: lasahia, kerisi (Fiji); laau fau moti (Samoa) | Lythraceae | herb |
| Cuscuta campestris | English: golden dodder, field dodder, five-angled dodder; Other: tiaea (Cook Islands (Mangaia)); navereverelangi, wa vereverelangi, wa lawala, wa mbosuthu, wa ndanga, wa tikaivu, ndithangi (Fiji) | Cuscutaceae | vine |
| Cuscuta cassytoides | Cuscutaceae | herb | |
| Cyathea cooperi | English: Australian tree fern; French: fougère arborescente d’Australia | Cyatheaceae | fern |
| Cyathula prostrata | English: cyathula; Other: mata kura (Cook Islands (Miti’aro?); tolomo’unga (Tonga) | Amaranthaceae | herb |
| Cyclospermum leptophyllum | English: fir-leaved celery, marsh parsley, slender celery | Apiaceae | herb |
| Cymbopogon refractus | English: barbwire grass, soap grass; Other: ramga, othangithangi, thoyangiyangi (Fiji); aretu monoi, aretu noanoa (French Polynesia) | Poaceae | grass |
| Cyperus cyperinus | English: long-headed sedge; Other: mue mue, mou upo tutu (French Polynesia) | Cyperaceae | sedge |
| Cyperus cyperoides | Other: pako (Niue); tuise (Samoa); pako pako (Tonga) | Cyperaceae | sedge |
| Cyperus difformis | English: dirty-Dora, one-arm sedge, rice sedge, small-flower umbrella-plant, variable flat sedge | Cyperaceae | sedge |
| Cyperus distans | English: slender cyperus | Cyperaceae | sedge |
| Cyperus gracilis | English: McCoy grass, slender sedge, whisker grass, whisker sedge; Other: mau‘u hunehune (Hawai’i) | Cyperaceae | sedge |
| Cyperus haspan | Cyperaceae | sedge | |
| Cyperus iria | English: grasshopper’s cyperus, rice flat sedge, umbrella sedge; Other: mou, mou hairi (French Polynesia); badel aus (Palau) | Cyperaceae | sedge |
| Cyperus ligularis | English: rocket sedge, swamp flatsedge | Cyperaceae | sedge |
| Cyperus pilosus | Cyperaceae | sedge | |
| Cyrtococcum oxyphyllum | English: long-leaf cyrtococcum grass; Other: thovatu, osalasala (Fiji) | Poaceae | grass |
| Cyrtococcum patens | Poaceae | grass | |
| Cyrtococcum trigonum | English: short-leaf cyrtococcum grass |