Pacific Island Ecosystems at Risk (PIER)

Report on invasive plant species in Palau (2002 survey)

Appendix 7.  Presence of other invasive species within Palau

Table 1.   Other species present elsewhere in Palau but not on Koror, Ngerkebesang or Malakal

Scientific name

Common Names (abridged)

Family

Present on:
Abutilon indicum albutilon, Indian abutilon, Indian mallow Malvaceae Sonsorol
Acalypha indica copperleaf, Indian-nettle, ricinela Euphorbiaceae Babeldaob, Angaur
Acalypha lanceolata Euphorbiaceae Babeldaob, Angaur, Kayangel, Peleliu
Achyranthes aspera chaff-flower, devil's horsewhip; prickly chaff-flower, louch beluu (Palau), louch el beluu (Palau) Amaranthaceae Babeldaob, Angaur, Peleliu, Ngeanges, Merir, Sonsorol, Tobi
Amaranthus spinosus edlebur, needle burr, spiny amaranth, thorny pigweed Amaranthaceae Angaur
Annona squamosa sugar apple, sweetsop, custard apple, sugar apple, ngel ra ngebard (Palau) Annonaceae Reported present by Fosberg et al. (1979), no location given
Annona squamosa   Scrophulariaceae Babeldaob
Bidens pilosa beggar’s tick, Spanish needle, cobbler's pegs Asteraceae Peleliu
Centratherum punctatum   Asteraceae Babeldaob
Chamaesyce hypericifolia beach spurge, graceful spurge Euphorbiaceae Babeldaob, Angaur, Peleliu
Cleome viscosa tickweed, spider flower Capparaceae Babeldaob
Conyza bonariensis flax-leaf fleabane, hairy fleabane, hairy horseweed, wavy-leaf fleabane Asteraceae Babeldaob, Angaur, Peleliu
Conyza canadensis butterweed, Canadian horseweed, Canadian fleabane, hogweed, horseweed Asteraceae Babeldaob, Angaur, Peleliu, Ngercheu (Carp Resort), Ngerchong
Crotalaria trichotoma curara-pea Fabaceae Babeldaob
Cyrtococcum patens   Poaceae Babeldaob
Desmodium heterophyllum hetero, Spanish clover Fabaceae Babeldaob
Elephantopus mollis elephantopus, elephant’s foot, false tobacco, tobacco weed Asteraceae Babeldaob
Euphorbia cyathophora dwarf poinsettia, fire-on-the-mountain, Mexican fire plant, painted spurge, wild poinsettia Euphorbiaceae Babeldaob, Angaur, Peleliu, Ngercheu (Carp Resort)
Eustachys petraea   Poaceae Angaur
Gossypium barbadense cotton, sea island cotton Malvaceae Babeldaob
Heliotropium procumbens   Boraginaceae Babeldaob, Peleliu
Hemigraphis reptans   Acanthaceae Aulupse‘el, Urukthapel
Lepidium virginicum peppergrass, Virginia peppercress, Virginia pepperweed, wild peppercress Brassicaceae Peleliu
Leucas lavandulifolia Lamiaceae Babeldaob
Malva parviflora cheeseweed, Egyptian mallow, little mallow, small-flower mallow; Malvaceae Babeldaob
Phaseolus lunatus lima bean, butter bean, Burma bean, haricot bean, Madagascar bean, sieva bean, sugar bean Fabaceae Babeldaob
Phyla nodiflora fogfruit, lippia, phyla Verbenaceae Angaur, Peleliu
Physalis minima sunberry Solanaceae Babeldaob, Peleliu
Polygonum minus smartweed Polygonaceae Angaur, Peleliu
Pueraria phaseoloides tropical kudzu, puero Fabaceae Babeldaob
Ruellia tuberosa Acanthaceae Babeldaob
Scoparia dulcis scoparia, sweet broom Scrophulariaceae Babeldaob, Peleliu
Sida acuta broom weed, Paddy’s lucerne, southern sida, spiny-head sida, spiny sida, keak (Palau) Malvaceae Babeldaob, Angaur
Sida spinosa prickly sida, spiny sida Malvaceae Angaur
Sigesbeckia orientalis Indian weed, small yellow crown-beard, yellow crown-head Asteraceae Babeldaob
Spermacoce mauritiana   Rubiaceae Babeldaob
Spermacoce ocymoides purple-leaved button weed Rubiaceae Babeldaob
Stenotaphrum secundatum buffalo grass, St. Augustine grass Poaceae Ngerchong
Tridax procumbens coat buttons, tridax daisy Asteraceae Babeldaob, Angaur, Peleliu
Urochloa reptans creeping panic grass, running grass Poaceae Angaur

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This page revised 7 April 2009