Pacific Island Ecosystems at Risk (PIER)
Report on invasive plant species in Palau
Appendix 5. Other invasive species by location
Table 3. Other invasive species present on Angaur
|
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 |
| †Amaranthus spinosus | edlebur, needle burr, spiny amaranth, thorny pigweed | Amaranthaceae | herb |
| *Annona muricata | soursop, prickly custard apple, sausab (Palau) | Annonaceae | tree |
| †Averrhoa bilimbi | bilimbi, cucumber tree, tree cucumber, tree sorrel | Oxalidaceae | tree |
| Axonopus compressus | blanket grass, carpetgrass | Poaceae | grass |
| Bidens alba | beggar’s tick, Spanish needle, cobbler's pegs, romerillo | Asteraceae | herb |
| Blechum pyramidata | green shrimp plant, Browne’s blechum | Acanthaceae | herb |
| *Caladium bicolor | caladium, elephant's-ear, fancy-leaf caladium, heart-of-Jesus | Araceae | herb |
| *Catharanthus roseus | Cape periwinkle, Madagascar periwinkle, old-maid, rose periwinkle, rosy periwinkle | Apocynaceae | herb |
| **†Centella asiatica | Asiatic pennywort, Indian pennywort, marsh pennywort, pennyweed, elisichur (Palau), elsichur (Palau) | Apiaceae | 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 |
| †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 pallida | salts rattlebox, smooth crotalaria, smooth rattlebox, smooth rattlepod, streaked rattlepod, striped crotalaria | Fabaceae | shrub |
| †Cyperus compressus | flat sedge | Cyperaceae | sedge |
| 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 incanum | kaimi clover, Spanish clover | Fabaceae | shrub |
| Desmodium triflorum | creeping tick trefoil, three-flower beggarweed, tropical trefoil, olmud (Palau) | Fabaceae | herb |
| 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 |
| Emilia sonchifolia | Cupid's shaving-brush, emilia, Flora's paint brush, purple sow thistle, sow thistle | Asteraceae | herb |
| Euphorbia cyathophora | dwarf poinsettia, fire-on-the-mountain, Mexican fire plant, painted spurge, wild poinsettia | Euphorbiaceae | herb |
| †Eustachys petraea | Poaceae | grass | |
| Gomphrena globosa | bachelor's-button, bozu, globe amaranth, pearly everlasting, botang (Palau) | Amaranthaceae | herb |
| Imperata conferta | plume grass | Poaceae | grass |
| Ipomoea triloba | Aiea morning-glory, little bell, orech (Palau), torech (Palau) | Convolvulaceae | vine |
| **†Lindernia antipoda | ilemelakel (Palau) | Scrophulariaceae | herb |
| **†Ludwigia hyssopifolia | Onagraceae | herb | |
| **†Ludwigia octovalvis | willow primrose, false primrose, yellow willow herb, erur (Palau) | Onagraceae | herb |
| Momordica charantia | balsam-apple, bitter-melon, bitter gourd, balsam pear, squirting cucumber, cerasee, peria, markoso (Palau), markosong (Palau) | Cucurbitaceae | vine |
| Oldenlandia corymbosa | Rubiaceae | herb | |
| *Opuntia sp. | drooping tree pear, prickly pear | Cactaceae | cactus |
| Peperomia pellucida | rtertiil (Palau) | Piperaceae | herb |
| Phyla nodiflora | fogfruit, lippia, phyla | Verbenaceae | herb |
| Phyllanthus amarus | ukalla ruchel (Palau) | Euphorbiaceae | herb |
| Physalis angulata | annual ground cherry, bubeubedul (Palau) | Solanaceae | herb |
| Pilea microphylla | artillery plant, gunpowder plant, pistol plant, rockweed | Urticaceae | herb |
| Polygala paniculata | island snake-root, keskus ra mekesong (Palau) | Polygalaceae | herb |
| **Polygonum minus | smartweed | Polygonaceae | herb |
| Portulaca oleracea | pigweed, purslane | Portulacaceae | herb |
| †Senna occidentalis | antbush, coffee senna, korriu (Palau) | 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 |
| †Sida spinosa | prickly sida, spiny sida | Malvaceae | herb |
| Spermacoce assurgens | buttonweed, okulabeluu (Palau) | Rubiaceae | herb |
| †Spermacoce ernstii | 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 |
| †Urochloa reptans | creeping panic grass, running grass | Poaceae | grass |
| **Vernonia cinerea | ironweed, little ironweed, vernonia | Asteraceae | herb |
*Cultivated
**Native/Micronesian introduction
†Reported present by Fosberg et al. (1979)
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