Plant Threats to Pacific Ecosystems

PIER plant species present on Kanton 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 Kanton 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?
Amaranthus dubius   (Amaranthaceae)   herb No
Amaranthus viridis   (Amaranthaceae) Amaranthus gracilis Desf., nom. nud. herb No
Calotropis gigantea   (Apocynaceae) Asclepias gigantea L. tree No
Casuarina equisetifolia   (Casuarinaceae) Casuarina litorea L. ex Fosberg & Sachet tree No
Casuarina glauca   (Casuarinaceae)   tree No
Catharanthus roseus   (Apocynaceae) Lochnera rosea (L.) Reichb. ex Steud.; Vinca rosea L. herb No
Cenchrus ciliaris   (Poaceae) Pennisetum cenchroides (L.)Rich.; Pennisetum ciliare (L.) Link grass No
Cenchrus echinatus   (Poaceae)   grass No
Chloris barbata   (Poaceae) Chloris inflata Link; Chloris paraguayensis Steud. grass No
Citrullus lanatus   (Cucurbitaceae) Citrullus aedulis Pangalo; Citrullus vulgaris Schrad. vine No
Conocarpus erectus   (Combretaceae)   shrub/tree No
Crinum asiaticum   (Amaryllidaceae) Crinum amabile Donn ex Ker Gawl. herb No
Cynodon dactylon   (Poaceae)   grass No
Cyperus rotundus   (Cyperaceae) Chlorocyperus rotundus (L.) Palla; Cyperus tetrastachyos Desf. sedge No
Digitaria ciliaris   (Poaceae) Digitaria adscendens (Kunth) Henrard grass No
Digitaria henryi   (Poaceae) Syntherisma henryi (Rendle) Newbold grass No
Eleusine indica   (Poaceae) Cynosurus indicus L.; Eleusine japonica Steud. grass No
Emilia sonchifolia   (Asteraceae) Emilia javanica (Burm. f.) C. B. Rob. herb No
Eragrostis amabilis   (Poaceae) Eragrostis plumosa (Retz.) Link; Eragrostis tenella (L.) P. Beauv. ex Roem. & Schult.; Poa tenella L. grass No
Euphorbia cyathophora   (Euphorbiaceae) Poinsettia cyathophora (Murray) Klotzsch & Garcke herb No
Euphorbia hirta   (Euphorbiaceae) Chamaesyce hirta (L.) Millsp.; Euphorbia pilulifera L. herb No
Euphorbia hypericifolia   (Euphorbiaceae) Chamaesyce glomerifera Millsp.; Chamaesyce hypericifolia (L.) Millsp.; Euphorbia glomifera Millsp. herb No
Euphorbia prostrata   (Euphorbiaceae) Chamaesyce prostrata (Aiton) Small herb No
Heliotropium procumbens   (Boraginaceae) Euploca procumbens (Mill.) Diane & Hilger herb No
Ipomoea quamoclit   (Convolvulaceae) Quamoclit pennata Bojer vine No
Ipomoea violacea   (Convolvulaceae) Convolvulus tuba Schlechtend.; Ipomoea macrantha Roem. & Schult.; Ipomoea tuba (Schlechtend.) G. Don vine No
Lantana camara   (Verbenaceae)   shrub No
Leucaena leucocephala   (Fabaceae) Acacia glauca Willd.; Leucaena glauca auct.; Mimosa leucocephala Lam. tree No
Merremia tuberosa   (Convolvulaceae) Ipomoea tuberosa L.; Operculina tuberosa (L.) Meisn. vine No
Nerium oleander   (Apocynaceae) Nerium indicum Mill.; Nerium odorum Aiton shrub No
Pedilanthus tithymaloides   (Euphorbiaceae) Euphorbia tithymaloides L. herb No
Phyllanthus amarus   (Phyllanthaceae) Phyllanthus niruri sensu various Pacific botanists herb No
Physalis angulata   (Solanaceae) Physalis lanceifolia Nees herb No
Pluchea carolinensis   (Asteraceae) Conyza carolinensis Jacq.; Pluchea symphytifolia auct. shrub No
Pluchea indica   (Asteraceae)   shrub No
Portulaca oleracea   (Portulacaceae)   herb No
Pseuderanthemum carruthersii   (Acanthaceae) Pseuderanthemum atropurpureum (W. Bull) Radlk.; Pseuderanthemum reticulatum Radlk. shrub No
Setaria verticillata   (Poaceae) Panicum verticillatum L.; Pennisetum verticillatum R. Br. grass No
Stachytarpheta cayennensis   (Verbenaceae) Stachytarpheta dichotoma (Ruiz & Pav.) Vahl.; Stachytarpheta urticaefolia (Salisb.) Sims; Stachytarpheta urticifolia (Salisb.) Sims herb No
Stachytarpheta jamaicensis   (Verbenaceae)   herb No
Syngonium angustatum   (Araceae)   vine No
Tamarix aphylla   (Tamaricaceae)   shrub/tree No
Thespesia populnea   (Malvaceae) Hibiscus populneoides Roxb.; Hibiscus populneus L.; Thespesia macrophylla Blume; Thespesia populneoides (Roxb.) Kostel. shrub/tree No
Tribulus cistoides   (Zygophyllaceae)   herb No
Tridax procumbens   (Asteraceae)   herb No
Waltheria indica   (Malvaceae) Waltheria americana L. shrub No

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

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