Plant Threats to Pacific Ecosystems

PIER plant species present on Moala Island listed by scientific name

A product of the Pacific Island Ecosystems at Risk project (PIER)

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This table lists invasive and potentially invasive plant species profiled by the Pacific Island Ecosystems at Risk project (PIER) that occur on Moala Island. It includes those of environmental concern (including those that are probably of threat only to islands with high elevations) as well as agricultural and ruderal weeds.  Each species is linked by its scientific name to an individual write-up containing relevant information.

The information in this table is based on the supporting data and may not represent the current situation. Note also there may be discrepancies among data presented at geographic resolutions (e.g., island vs. island group vs. country-territory-state levels), depending upon the reliability of the data at each level.

Species are listed in alphabetic order.  You can browse this list or use the "find" function on your web browser to search by scientific name.

Can't find it here?  Check the list of synonyms for other names (the more common synonyms are included below) or search other lists and databases available on the Internet.

Stumped by botanical terms?  Here are links to a brief glossary and a search engine for botanical terms.

Scientific name (+Family) Often-used other Latin names Habit Primarily a threat
at high elevations?
Achyranthes aspera   (Amaranthaceae)   herb No
Ageratum conyzoides   (Asteraceae)   herb No
Amaranthus viridis   (Amaranthaceae) Amaranthus gracilis Desf., nom. nud. herb No
Bidens pilosa   (Asteraceae)   herb No
Casuarina equisetifolia   (Casuarinaceae) Casuarina litorea L. ex Fosberg & Sachet tree No
Centella asiatica   (Apiaceae) Hydrocotyle asiatica L.; Hydrocotyle erecta L. f. herb No
Chrysopogon aciculatus   (Poaceae) Andropogon acicularis Retz. ex Roem. & Schult.; Andropogon aciculatus Retz.; Rhaphis acicularis (Retz. ex Roem. & Schult.) Desv.; Rhaphis aciculata (Retz.) Honda grass No
Coix lacryma-jobi   (Poaceae)   grass No
Cyathula prostrata   (Amaranthaceae) Achyranthes prostrata L.; Desmochaeta prostrata (L.) DC.; Pupalia prostrata (L.) Mart. herb No
Cymbopogon refractus   (Poaceae) Andropogon refractus R. Br. grass No
Cyrtococcum oxyphyllum   (Poaceae) Panicum oxyphyllum Hochst. ex Steud. grass No
Digitaria fuscescens   (Poaceae) Paspalum fuscescens J. Presl grass No
Echinochloa colona   (Poaceae) Panicum colonum L. grass No
Fleurya interrupta   (Urticaceae) Laportea interrupta (L.) Chew; Urtica interrupta L. herb No
Imperata conferta   (Poaceae) Imperata exaltata auct.; Saccharum confertum J. Presl grass No
Mirabilis jalapa   (Nyctaginaceae)   herb No
Oplismenus compositus   (Poaceae) Panicum compositum L. grass No
Oplismenus hirtellus   (Poaceae) Oplismenus hirtellus subsp. setarius (Lam.) Mez ex Ekman; Oplismenus setarius (Lam.) Roem. & Schult. grass No
Paspalum conjugatum   (Poaceae)   grass No
Phyllanthus debilis   (Phyllanthaceae)   herb No
Rubus moluccanus   (Rosaceae)   shrub No
Sida rhombifolia   (Malvaceae) Sida microphylla Cav. shrub No
Thespesia populnea   (Malvaceae) Hibiscus populneoides Roxb.; Hibiscus populneus L.; Thespesia macrophylla Blume; Thespesia populneoides (Roxb.) Kostel. shrub/tree No
Trema orientalis   (Cannabaceae) Trema cannabina Lour.; Trema cannabinum Lour.; Trema orientale (L.) Blume; Trema tomentosum (Roxb.) H. Hara tree No
Urena lobata   (Malvaceae) Urena sinuata L. shrub No

Need more info?  Have questions?  Comments?  Information to contribute?  Contact PIER! (pier@hear.org)

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This page was last regenerated on 26FEB2019.