Pacific Island Ecosystems at Risk (PIER)
Report on invasive plant species in Palau (2002 survey)
Appendix 5. Other invasive species by location
Table 2. Other invasive species present on Babeldaob
|
Scientific name |
Common Names (abridged) |
Family |
Habit |
| ‡Acalypha indica | copperleaf, Indian-nettle, ricinela | Euphorbiaceae | herb |
| †Acalypha lanceolata | Euphorbiaceae | herb | |
| **Achyranthes aspera | chaff-flower, devil's horsewhip; prickly chaff-flower, louch beluu (Palau), louch el beluu (Palau) | Amaranthaceae | herb |
| Ageratum conyzoides | billygoat-weed, chick week, goatweed, whiteweed, ngmak (Palau) | Asteraceae | herb |
| **†Alternanthera sessilis | joyweed, sessile joyweed, okula beluulechad (Palau) | Amaranthaceae | herb |
| Alysicarpus vaginalis | alyce-clover, buffalo-clover, one-leaf-clover | Fabaceae | herb |
| Amaranthus dubius | amaranth, spleen amaranth | Amaranthaceae | herb |
| Amaranthus viridis | green amaranth, pigweed, slender amaranth | Amaranthaceae | herb |
| *Annona muricata | soursop, prickly custard apple, sausab (Palau) | Annonaceae | tree |
| Asclepias curassavica | bastard ipecac, blood flower, bloodflower milkweed, butterfly weed, false ipecac, milkweed | Asclepiadaceae | herb |
| Averrhoa bilimbi | bilimbi, cucumber tree, tree cucumber, tree sorrel | Oxalidaceae | tree |
| Axonopus compressus | blanket grass, carpetgrass | Poaceae | grass |
| ‡Bacopa procumbens | Scrophulariaceae | herb | |
| Bidens alba | beggar’s tick, Spanish needle, cobbler's pegs, romerillo | Asteraceae | herb |
| *Bixa orellana | anatto, annato, annatto, arnatto, lipstick tree, burek (Palau) | Bixaceae | shrub |
| Blechum pyramidata | green shrimp plant, Browne’s blechum | Acanthaceae | herb |
| *Breynia disticha | snowbush, snowbush breynia, sweetpea bush, foliage-flower | Euphorbiaceae | shrub |
| Caladium bicolor | caladium, elephant's-ear, fancy-leaf caladium, heart-of-Jesus | Araceae | herb |
| *Cananga odorata | perfume tree, chiráng (Palau), irang (Palau) | Annonaceae | tree |
| ‡Catharanthus roseus | Cape periwinkle, Madagascar periwinkle, old-maid, rose periwinkle, rosy periwinkle | Apocynaceae | herb |
| Celosia argentea | cockscomb, esechilamalk (Palau) | Amaranthaceae | herb |
| **Centella asiatica | Asiatic pennywort, Indian pennywort, marsh pennywort, pennyweed, elisichur (Palau), elsichur (Palau) | Apiaceae | herb |
| *Centratherum punctatum | Asteraceae | herb | |
| Chamaesyce hirta | asthma plant, garden spurge, pill-bearing spurge, hairy spurge, udall (Palau) | Euphorbiaceae | herb |
| Chamaesyce hypericifolia | beach spurge, graceful spurge | Euphorbiaceae | herb |
| Chamaesyce prostrata | creeping splurge, prostrate spurge, red caustic creeper | Euphorbiaceae | herb |
| ‡Chamaesyce thymifolia | red caustic creeper, thyme-leafed spurge | Euphorbiaceae | herb |
| Cleome viscosa | tickweed, spider flower | Capparaceae | herb |
| †Coix lacryma-jobi | adlay, adlay millet, Job's-tears, demairuuch (Palau), tauiir (Palau) | Poaceae | grass |
| †Conyza bonariensis | flax-leaf fleabane, hairy fleabane, hairy horseweed, wavy-leaf fleabane | Asteraceae | herb |
| Conyza canadensis | butterweed, Canadian horseweed, Canadian fleabane, hogweed, horseweed | Asteraceae | herb |
| Cosmos sp. | cosmos | Asteraceae | herb |
| Crassocephalum crepidoides | thickhead, fireweed, redflower ragleaf | Asteraceae | herb |
| Crotalaria incana | fuzzy rattlepod, woolly rattlepod, kuroteraria (Palau) | Fabaceae | shrub |
| Crotalaria pallida | salts rattlebox, smooth crotalaria, smooth rattlebox, smooth rattlepod, streaked rattlepod, striped crotalaria | Fabaceae | shrub |
| Crotalaria spectabilis | rattlebox, showy crotalaria, showy rattlebox, showy rattlepod | Fabaceae | herb |
| Crotalaria trichotoma | curara-pea | Fabaceae | herb |
| †Cyperus compressus | flat sedge | Cyperaceae | sedge |
| **†Cyperus cyperinus | long-headed sedge | Cyperaceae | sedge |
| †Cyperus difformis | dirty-Dora, one-arm sedge, rice sedge, small-flower umbrella-plant, variable flat sedge | Cyperaceae | sedge |
| †Cyperus distans | slender cyperus | Cyperaceae | sedge |
| **†Cyperus haspan | Cyperaceae | sedge | |
| **†Cyperus iria | grasshopper’s cyperus, rice flat sedge, umbrella sedge, badel aus (Palau) | Cyperaceae | sedge |
| **†Cyperus pilosus | Cyperaceae | sedge | |
| **†Cyrtococcum oxyphyllum | long-leaf cyrtococcum grass | Poaceae | grass |
| **†Cyrtococcum patens | Poaceae | grass | |
| Dactyloctenium aegyptium | beach wiregrass, button grass, coast button grass, comb fringe grass, crowfoot grass, duck grass, finger comb grass | Poaceae | grass |
| *Datura metel | datura, downy thorn-apple, Hindu datura, Hindu thorn-apple, hoary thorn-apple, horn-of-plenty, jimson-weed, purple thorn-apple | Solanaceae | herb |
| *Delonix regia | flame tree, flamboyant, poinciana, nangiosákura (Palau), nangiosikura (Palau), nangyo (Palau) | Fabaceae | tree |
| †Desmodium gangeticum | Fabaceae | herb | |
| **†Desmodium heterocarpon | okula beluu (Palau) | Fabaceae | herb |
| †Desmodium heterophyllum | hetero, Spanish clover | Fabaceae | herb |
| Desmodium incanum | kaimi clover, Spanish clover | Fabaceae | shrub |
| Desmodium triflorum | creeping tick trefoil, three-flower beggarweed, tropical trefoil, olmud (Palau) | Fabaceae | herb |
| ‡Digitaria bicornis | southern crabgrass | Poaceae | grass |
| **†Digitaria fuscescens | Y grass | Poaceae | grass |
| Dioscorea bulbifera | aerial yam, air-potato, bitter yam, cheeky yam, potato yam, belloi (Palau) | Dioscoreaceae | vine |
| *Duranta erecta | duranta, golden dewdrop, pigeon-berry, sky-flower | Verbenaceae | shrub |
| Echinochloa colona | awnless barnyard grass (Australia), corn panic grass, Deccan grass, jungle ricegrass, jungle rice, millet-rice, pigeon millet | Poaceae | grass |
| Eclipta prostrata | eclipta, false daisy, swamp daisy, white eclipta, deberebelela tengadidik (Palau) | Asteraceae | herb |
| *Elaeis guineensis | African oil palm | Arecaceae | tree |
| †Eleocharis dulcis | Chinese water-chestnut, ground-chestnut, waternut | Cyperaceae | sedge |
| Elephantopus mollis | elephantopus, elephant’s foot, false tobacco, tobacco weed | Asteraceae | herb |
| Emilia sonchifolia | Cupid's shaving-brush, emilia, Flora's paint brush, purple sow thistle, sow thistle | Asteraceae | herb |
| Episcia cupreata | episcia, flame violet | Gesneriaceae | herb |
| **Eragrostis amabilis | Bug's egg grass, Japanese love grass, ouemoket (Palau) | Poaceae | grass |
| **Eriochloa procera | Poaceae | grass | |
| Euphorbia cyathophora | dwarf poinsettia, fire-on-the-mountain, Mexican fire plant, painted spurge, wild poinsettia | Euphorbiaceae | herb |
| **†Fimbristylis autumnalis | slender fimbristylis | Cyperaceae | sedge |
| **†Fimbristylis littoralis | grass-like fimbristylis, lesser fimbristylis, kerngimes (Palau), kederang (Palau) | Cyperaceae | sedge |
| **†Fuirena umbellata | desum ra mesei (Palau) | Cyperaceae | sedge |
| Gossypium barbadense | cotton, sea island cotton | Malvaceae | shrub |
| ‡Heliotropium indicum | Boraginaceae | herb | |
| Hippobroma longiflora | star of Bethlehem, udel ra badrei (Palau) | Campanulaceae | herb |
| *Impatiens balsamina | impatiens, balsam, garden balsam, rose balsam, spotted snapweed, touch-me-not, hosengka (Palau) | Balsaminaceae | succulent |
| *Impatiens walleriana | garden impatiens, balsam, busy lizzy, bizzy-lizzie, patient lucy; sultan’s flower | Balsaminaceae | succulent |
| Imperata conferta | plume grass | Poaceae | grass |
| Ipomoea carnea subsp. fistulosa | bush morning glory, tree ipomoea | Convolvulaceae | shrub |
| Ipomoea quamoclit | Cupid's flower, cypress vine, cypressvine morning-glory, star of Bethlehem, star-glory, sweet-willy, asangao (Palau) | Convolvulaceae | vine |
| Ipomoea triloba | Aiea morning-glory, little bell, orech (Palau), torech (Palau) | Convolvulaceae | vine |
| **†Isachne globosa | Poaceae | grass | |
| †Leucas lavandulifolia | Lamiaceae | herb | |
| ‡Lindernia antipoda | ilemelakel (Palau) | Scrophulariaceae | herb |
| **Ludwigia hyssopifolia | Onagraceae | herb | |
| **Ludwigia octovalvis | willow primrose, false primrose, yellow willow herb, erur (Palau) | Onagraceae | herb |
| •Malva parviflora | English: cheeseweed, Egyptian mallow, little mallow, small-flower mallow; French: mauve à petites fleurs, mauve d'Egypte; Spanish: malva | Malvaceae | herb |
| Momordica charantia | balsam-apple, bitter-melon, bitter gourd, balsam pear, squirting cucumber, cerasee, peria, markoso (Palau), markosong (Palau) | Cucurbitaceae | vine |
| *Moringa oleifera | horseradish tree, drumstick tree, ben nut, morango, malungkai (Palau) | Moringaceae | tree |
| Oldenlandia corymbosa | Rubiaceae | herb | |
| **†Oplismenus hirtellus | basket grass, woods grass | Poaceae | grass |
| *Opuntia sp. | drooping tree pear, prickly pear | Cactaceae | cactus |
| *Orthosiphon aristatus | cat’s whiskers, chemadecharebub (Palau), emadecharebub (Palau) | Lamiaceae | herb |
| Oxalis barrelieri | Oxalidaceae | herb | |
| †Paspalum scrobiculatum | rice grass; creeping paspalum, ditch millet, Indian paspalum, kodo millet, water couch, desum (Palau) | Poaceae | grass |
| Peperomia pellucida | rtertiil (Palau) | Piperaceae | herb |
| *Persea americana | avocado, alligator pear, bata (Palau) | Lauraceae | tree |
| *‡Phaseolus lunatus | lima bean, butter bean, Burma bean, haricot bean, Madagascar bean, sieva bean, sugar bean | Fabaceae | herb |
| Phyllanthus amarus | ukalla ruchel (Palau) | Euphorbiaceae | herb |
| Physalis angulata | annual ground cherry, bubeubedul (Palau) | Solanaceae | herb |
| Physalis minima | sunberry | Solanaceae | herb |
| Pilea microphylla | artillery plant, gunpowder plant, pistol plant, rockweed | Urticaceae | herb |
| †Piriqueta racemosa | Turneraceae | herb | |
| Polygala paniculata | island snake-root, keskus ra mekesong (Palau) | Polygalaceae | herb |
| Pseuderanthemum carruthersii | Acanthaceae | shrub | |
| **Pueraria montana var. lobata | kudzu, Japanese arrowroot | Fabaceae | vine |
| *‡Pueraria phaseoloides | tropical kudzu, puero | Fabaceae | vine |
| Ruellia tuberosa | Acanthaceae | herb | |
| Russelia equisetiformis | coralplant, fountainplant | Scrophulariaceae | shrub |
| Scoparia dulcis | scoparia, sweet broom | Scrophulariaceae | herb |
| Senna occidentalis | antbush, coffee senna, korriu (Palau) | Fabaceae | shrub |
| Sesbania cannabina | canicha, dhaincha, dhunchi, sesbania pea | Fabaceae | shrub |
| Sida acuta | broom weed, Paddy’s lucerne, southern sida, spiny-head sida, spiny sida, keak (Palau) | Malvaceae | herb |
| Sida rhombifolia | arrow-leaf sida, Cuban jute, Paddy's lucerne, Queensland-hemp, teaweed, keak (Palau) | Malvaceae | shrub |
| ‡Sigesbeckia orientalis | Indian weed, small yellow crown-beard, yellow crown-head | Asteraceae | herb |
| Solenostemon scutellarioides | coleus | Lamiaceae | herb |
| Spermacoce assurgens | buttonweed, okulabeluu (Palau) | Rubiaceae | herb |
| ‡Spermacoce ernstii | Rubiaceae | herb | |
| Spermacoce latifolia | Rubiaceae | herb | |
| Spermacoce mauritiana | Rubiaceae | herb | |
| Spermacoce ocymoides | purple-leaved button weed | Rubiaceae | herb |
| Stachytarpheta jamaicensis | bastard vervain, blue porterweed, Brazilian tea, Jamaica vervain, joee, light blue snakeweed, louch beluu (Palau) | Verbenaceae | herb |
| Synedrella nodiflora | Cinderella weed (Australia), porter bush, synedrella | Asteraceae | herb |
| Tridax procumbens | coat buttons, tridax daisy | Asteraceae | herb |
| **Vernonia cinerea | ironweed, little ironweed, vernonia | Asteraceae | herb |
*Cultivated
**Native/Micronesian introduction
†Reported present by Fosberg et al. (1979)
•Reported present by Lorence & Flynn [unpublished checklist] (1998)
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This page revised 7 April 2009