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 8.   Other species present elsewhere in Palau but not in Hatohobei State

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
Ageratum conyzoides billygoat-weed, chick week, goatweed, whiteweed, ngmak (Palau) Asteraceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Ngchus
Alternanthera sessilis joyweed, sessile joyweed, okula beluulechad (Palau) Amaranthaceae Koror, Babeldaob
Alysicarpus vaginalis alyce-clover, buffalo-clover, one-leaf-clover Fabaceae Koror, Malakal, Ngerkebesang, Babeldaob, Aulupse‘el
Amaranthus dubius amaranth, spleen amaranth Amaranthaceae Koror, Malakal, Babeldaob
Amaranthus spinosus edlebur, needle burr, spiny amaranth, thorny pigweed Amaranthaceae Angaur
Amaranthus viridis green amaranth, pigweed, slender amaranth Amaranthaceae Koror, Ngerkebesang, Babeldaob, Ngercheu (Carp Resort), Sonsorol
Annona muricata soursop, prickly custard apple, sausab (Palau) Annonaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Ngchus, Pulo Ana, Sonsorol
Annona squamosa sugar apple, sweetsop, custard apple, sugar apple, ngel ra ngebard (Palau) Annonaceae Reported present by Fosberg et al. (1979), no location given
Asclepias curassavica bastard ipecac, blood flower, bloodflower milkweed, butterfly weed, false ipecac, milkweed Asclepiadaceae Koror, Babeldaob, Peleliu, Pulo Ana, Sonsorol
Averrhoa bilimbi bilimbi, cucumber tree, tree cucumber, tree sorrel Oxalidaceae Koror, Ngerkebesang, Babeldaob, Angaur, Aulupse‘el
Axonopus compressus blanket grass, carpetgrass Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu
Bacopa procumbens Scrophulariaceae Babeldaob
Begonia × semperflorens-cultorum bedding begonia, perpetual begonia, wax begonia Begoniaceae Koror
Bidens alba beggar’s tick, Spanish needle, cobbler's pegs, romerillo Asteraceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Kayangel, Peleliu, Merir, Sonsorol
Bidens pilosa beggar’s tick, Spanish needle, cobbler's pegs Asteraceae Peleliu
Bixa orellana anatto, annato, annatto, arnatto, lipstick tree, burek (Palau) Bixaceae Koror, Babeldaob
Blechum pyramidata green shrimp plant, Browne’s blechum Acanthaceae Malakal, Koror, Babeldaob, Angaur, Peleliu, Sonsorol
Breynia disticha snowbush, snowbush breynia, sweetpea bush, foliage-flower Euphorbiaceae Koror, Babeldaob
Caladium bicolor caladium, elephant's-ear, fancy-leaf caladium, heart-of-Jesus Araceae Koror; Ngerkebesang, Babeldaob, Angaur, Peleliu
Cananga odorata perfume tree, chiráng (Palau), irang (Palau) Annonaceae Koror, Ngerkebesang, Babeldaob
Catharanthus roseus Cape periwinkle, Madagascar periwinkle, old-maid, rose periwinkle, rosy periwinkle Apocynaceae Koror, Ngerkebesang, Babeldaob, Angaur, Peleliu
Celosia argentea cockscomb, esechilamalk (Palau) Amaranthaceae Koror, Malakal, Ngerkebesang, Babeldaob, Sonsorol
Centratherum punctatum Asteraceae Babeldaob
Chamaesyce hypericifolia beach spurge, graceful spurge Euphorbiaceae Babeldaob, Angaur, Peleliu
Chamaesyce prostrata creeping splurge, prostrate spurge, red caustic creeper Euphorbiaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Ngchus
Chamaesyce thymifolia red caustic creeper, thyme-leafed spurge Euphorbiaceae Koror, Ngerkebesang, Babeldaob, Angaur
Cleome gynandra African spider-flower, bastard-mustard, cat's-whiskers, spider wisp, wild spider flower Capparaceae Koror
Cleome viscosa tickweed, spider flower Capparaceae Babeldaob
Coix lacryma-jobi adlay, adlay millet, Job's-tears, demairuuch (Palau), tauiir (Palau) Poaceae Koror, Ngerekebesang, Babeldaob, Peleliu
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
Cosmos sp. cosmos Asteraceae Koror, Babeldaob, Angaur
Crassocephalum crepidoides thickhead, fireweed, redflower ragleaf Asteraceae Koror, Babeldaob, Angaur, Urukthapel
Crotalaria incana fuzzy rattlepod, woolly rattlepod, kuroteraria (Palau) Fabaceae Koror, Babeldaob
Crotalaria pallida salts rattlebox, smooth crotalaria, smooth rattlebox, smooth rattlepod, streaked rattlepod, striped crotalaria Fabaceae Koror, Babeldaob, Angaur
Crotalaria spectabilis rattlebox, showy crotalaria, showy rattlebox, showy rattlepod Fabaceae Koror, Ngerkebesang, Babeldaob
Crotalaria trichotoma curara-pea Fabaceae Babeldaob
Cyperus compressus flat sedge Cyperaceae Koror, Malakal, Babeldaob, Angaur, Sonsorol
Cyperus cyperinus long-headed sedge Cyperaceae Koror, Babeldaob, Peleliu
Cyperus difformis dirty-Dora, one-arm sedge, rice sedge, small-flower umbrella-plant, variable flat sedge Cyperaceae Malakal, Babeldaob
Cyperus distans slender cyperus Cyperaceae Koror, Babeldaob
Cyperus haspan Cyperaceae Koror, Babeldaob
Cyperus iria grasshopper’s cyperus, rice flat sedge, umbrella sedge, badel aus (Palau) Cyperaceae Koror, Malakal, Babeldaob
Cyperus pilosus Cyperaceae Koror, Babeldaob
Cyrtococcum oxyphyllum long-leaf cyrtococcum grass Poaceae Koror, Babeldaob
Cyrtococcum patens Poaceae Babeldaob
Dactyloctenium aegyptium beach wiregrass, button grass, coast button grass, comb fringe grass, crowfoot grass, duck grass, finger comb grass Poaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Fanna, Sonsorol
Datura metel datura, downy thorn-apple, Hindu datura, Hindu thorn-apple, hoary thorn-apple, horn-of-plenty, jimson-weed, purple thorn-apple Solanaceae Malakal, Babeldaob, Angaur, Peleliu
Delonix regia flame tree, flamboyant, poinciana, nangiosákura (Palau), nangiosikura (Palau), nangyo (Palau) Fabaceae Koror, Babeldaob, Angaur, Peleliu
Desmodium gangeticum Fabaceae Ngerkebesang, Babeldaob
Desmodium heterocarpon okula beluu (Palau) Fabaceae Koror, Ngerkebesang, Babeldaob
Desmodium heterophyllum hetero, Spanish clover Fabaceae Babeldaob
Desmodium incanum kaimi clover, Spanish clover Fabaceae Koror, Babeldaob, Angaur, Peleliu
Desmodium triflorum creeping tick trefoil, three-flower beggarweed, tropical trefoil, olmud (Palau) Fabaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur
Digitaria bicornis southern crabgrass Poaceae Ngerkebesang, Babeldaob
Digitaria fuscescens Y grass Poaceae Koror, Babeldaob
Dioscorea bulbifera aerial yam, air-potato, bitter yam, cheeky yam, potato yam, belloi (Palau) Dioscoreaceae Koror, Ngerkebesang, Babeldaob, Angaur, Aulupse‘el, Sonsorol
Duranta erecta duranta, golden dewdrop, pigeon-berry, sky-flower Verbenaceae Koror, Malakal, Ngerkebesang, Peleliu, Ngercheu (Carp Resort), Sonsorol
Echinochloa colona awnless barnyard grass (Australia), corn panic grass, Deccan grass, jungle ricegrass, jungle rice, millet-rice, pigeon millet Poaceae Koror, Ngerkebesang, Babeldaob, Angaur, Aulupse‘el
Eclipta prostrata eclipta, false daisy, swamp daisy, white eclipta, deberebelela tengadidik (Palau) Asteraceae Koror, Malakal, Ngerkebesang, Babeldaob, Kayangel, Peleliu
Elaeis guineensis African oil palm Arecaceae Koror, Babeldaob
Eleocharis dulcis Chinese water-chestnut, ground-chestnut, waternut Cyperaceae Koror, Babeldaob
Elephantopus mollis elephantopus, elephant’s foot, false tobacco, tobacco weed Asteraceae Babeldaob
Emilia sonchifolia Cupid's shaving-brush, emilia, Flora's paint brush, purple sow thistle, sow thistle Asteraceae Koror, Ngerkebesang, Babeldaob, Angaur, Aulupse‘el
Episcia cupreata episcia, flame violet Gesneriaceae Koror, Malakal, Ngerkebesang, Babeldaob
Eragrostis amabilis Bug's egg grass, Japanese love grass, ouemoket (Palau) Poaceae Koror, Babeldaob, Kayangel, Peleliu, Bablomekang, Mecherchar (Eil Malk), Ngeanges, Sonsorol
Eragrostis pilosa hairy love grass, Indian love grass, soft lovegrass Poaceae Koror
Eriochloa procera Poaceae Koror, Malakal, 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
Fimbristylis autumnalis slender fimbristylis Cyperaceae Koror, Babeldaob
Fimbristylis littoralis grass-like fimbristylis, lesser fimbristylis, kerngimes (Palau), kederang (Palau) Cyperaceae Koror, Babeldaob
Fuirena umbellata desum ra mesei (Palau) Cyperaceae Koror, Babeldaob
Gomphrena globosa bachelor's-button, bozu, globe amaranth, pearly everlasting, botang (Palau) Amaranthaceae Koror, Ngerkebesang, Angaur, Ngercheu (Carp Resort)
Gossypium barbadense cotton, sea island cotton Malvaceae Babeldaob
Heliotropium indicum Indian heliotrope, turnsole Boraginaceae Koror
Heliotropium procumbens Boraginaceae Babeldaob, Peleliu
Hemigraphis reptans Acanthaceae Aulupse‘el, Urukthapel
Hippobroma longiflora star of Bethlehem, udel ra badrei (Palau) Campanulaceae Koror, Malakal, Ngerkebesang, Babeldaob, Bkul a Chesemiich, Ngerchong, Sonsorol
Impatiens balsamina impatiens, balsam, garden balsam, rose balsam, spotted snapweed, touch-me-not, hosengka (Palau) Balsaminaceae Koror, Babeldaob
Impatiens walleriana garden impatiens, balsam, busy lizzy, bizzy-lizzie, patient lucy; sultan’s flower Balsaminaceae Koror, Ngerkebesang, Babeldaob
Imperata conferta plume grass Poaceae Koror, Babeldaob, Angaur, Peleliu, Aulupse‘el
Ipomoea carnea subsp. fistulosa bush morning glory, tree ipomoea Convolvulaceae Koror, Babeldaob
Ipomoea quamoclit Cupid's flower, cypress vine, cypressvine morning-glory, star of Bethlehem, star-glory, sweet-willy, asangao (Palau) Convolvulaceae Koror, Babeldaob
Ipomoea triloba Aiea morning-glory, little bell, orech (Palau), torech (Palau) Convolvulaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur
Isachne globosa Poaceae Koror, Babeldaob
Jasminum sambac Arabian jasmine Oleaceae Koror
Lepidium virginicum peppergrass, Virginia peppercress, Virginia pepperweed, wild peppercress Brassicaceae Peleliu
Leucas lavandulifolia Lamiaceae Babeldaob
Lindernia antipoda ilemelakel (Palau) Scrophulariaceae Koror, Babeldaob, Angaur
Ludwigia hyssopifolia   Onagraceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur
Ludwigia octovalvis willow primrose, false primrose, yellow willow herb, erur (Palau) Onagraceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu
Malva parviflora cheeseweed, Egyptian mallow, little mallow, small-flower mallow; Malvaceae Babeldaob
Mitracarpus hirtus tropical girdlepod Rubiaceae Koror, Malakal, Ngerkebesang, Babeldaob
Momordica charantia balsam-apple, bitter-melon, bitter gourd, balsam pear, squirting cucumber, cerasee, peria, markoso (Palau), markosong (Palau) Cucurbitaceae Koror, Malakal, Babeldaob, Angaur, Peleliu, Ngercheu (Carp Resort)
Moringa oleifera horseradish tree, drumstick tree, ben nut, morango, malungkai (Palau) Moringaceae Koror, Malakal, Babeldaob, Peleliu
Oldenlandia corymbosa   Rubiaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu
Oplismenus hirtellus basket grass, woods grass Poaceae Koror, Malakal, Ngerkebesang, Babeldaob
Orthosiphon aristatus cat’s whiskers, chemadecharebub (Palau), emadecharebub (Palau) Lamiaceae Koror, Babeldaob
Oxalis barrelieri   Oxalidaceae Koror, Malakal, Ngerkebesang, Babeldaob
Paspalum scrobiculatum rice grass; creeping paspalum, ditch millet, Indian paspalum, kodo millet, water couch, desum (Palau) Poaceae Koror, Malakal, Ngerkebesang, Babeldaob
Peperomia pellucida rtertiil (Palau) Piperaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Sonsorol
Persea americana avocado, alligator pear, bata (Palau) Lauraceae Koror, Ngerkebesang, 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
Phyllanthus debilis Euphorbiaceae Koror, Malakal
Phyllanthus urinaria Euphorbiaceae Koror
Physalis angulata annual ground cherry, bubeubedul (Palau) Solanaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu
Physalis minima sunberry Solanaceae Babeldaob, Peleliu
Pilea microphylla artillery plant, gunpowder plant, pistol plant, rockweed Urticaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Ngercheu (Carp Resort), Ngerchong, Urukthapel, Sonsorol
Piriqueta racemosa Turneraceae Koror, Babeldaob
Polygala paniculata island snake-root, keskus ra mekesong (Palau) Polygalaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu
Polygonum minus smartweed Polygonaceae Angaur, Peleliu
Pueraria montana var. lobata kudzu, Japanese arrowroot Fabaceae Koror, Babeldaob
Pueraria phaseoloides tropical kudzu, puero Fabaceae Babeldaob
Ruellia tuberosa Acanthaceae Babeldaob
Russelia equisetiformis coralplant, fountainplant Scrophulariaceae Koror, Malakal, Babeldaob
Scoparia dulcis scoparia, sweet broom Scrophulariaceae Babeldaob, Peleliu
Senna occidentalis antbush, coffee senna, korriu (Palau) Fabaceae Koror, Malakal, Babeldaob, Angaur
Sesbania cannabina canicha, dhaincha, dhunchi, sesbania pea Fabaceae Koror, Malakal, Babeldaob
Sida acuta broom weed, Paddy’s lucerne, southern sida, spiny-head sida, spiny sida, keak (Palau) Malvaceae Babeldaob, Angaur
Sida rhombifolia arrow-leaf sida, Cuban jute, Paddy's lucerne, Queensland-hemp, teaweed, keak (Palau) Malvaceae Koror, Malakal, Ngerkebesang, Babeldaob, Angaur, Peleliu, Ngerchong
Sida spinosa prickly sida, spiny sida Malvaceae Angaur
Sigesbeckia orientalis Indian weed, small yellow crown-beard, yellow crown-head Asteraceae Babeldaob
Solanum americanum American nightshade, black nightshade, glossy nightshade Solanaceae Koror, Malakal
Solenostemon scutellarioides coleus Lamiaceae Koror, Babeldaob, Kayangel
Sorghum bicolor Sudan grass Poaceae Malakal
Spermacoce ernstii   Rubiaceae Koror, Babeldaob, Angaur, Kayangel, Peleliu
Spermacoce latifolia   Rubiaceae Koror, Malakal, Ngerkebesang, Babeldaob
Spermacoce mauritiana Rubiaceae Babeldaob
Spermacoce ocymoides purple-leaved button weed Rubiaceae Babeldaob
Stachytarpheta jamaicensis bastard vervain, blue porterweed, Brazilian tea, Jamaica vervain, joee, light blue snakeweed, louch beluu (Palau) Verbenaceae Koror, Malakal, Babeldaob, Angaur, Peleliu, Aulupse‘el
Stenotaphrum secundatum buffalo grass, St. Augustine grass Poaceae Ngerchong
Stictocardia tiliifolia stictocardia, crimson morning-glory Convolvulaceae Koror
Synedrella nodiflora Cinderella weed (Australia), porter bush, synedrella Asteraceae Koror, Malakal, Babeldaob, Angaur, Kayangel, Peleliu, Sonsorol
Tridax procumbens coat buttons, tridax daisy Asteraceae Babeldaob, Angaur, Peleliu
Urochloa reptans creeping panic grass, running grass Poaceae Angaur
Youngia japonica oriental hawksbeard Asteraceae Koror

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This page revised 7 April 2009