This table lists invasive and potentially invasive plant species profiled by the Pacific Island Ecosystems at Risk project (PIER) that occur on Cousin 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? |
Abutilon indicum (Malvaceae) | Sida indica L. | shrub | No |
Acalypha indica (Euphorbiaceae) | herb | No | |
Achyranthes aspera (Amaranthaceae) | herb | No | |
Adenanthera pavonina (Fabaceae) | tree | No | |
Alocasia macrorrhizos (Araceae) | Alocasia indica (Lour.) Spach; Alocasia plumbea Van Houtte; Arum indicum Lour.; Arum macrorrhizon L.; Colocasia indica (Lour.) Kunth | herb | No |
Amaranthus dubius (Amaranthaceae) | herb | No | |
Annona muricata (Annonaceae) | tree | No | |
Annona squamosa (Annonaceae) | Annona asiatica L. | tree | No |
Averrhoa bilimbi (Oxalidaceae) | tree | No | |
Bambusa spp. (Poaceae) | tree-like grass | No | |
Caesalpinia bonduc (Fabaceae) | Caesalpinia bonducella (L.) Fleming; Guilandina bonduc L. | vine | No |
Capsicum frutescens (Solanaceae) | herb | No | |
Casuarina equisetifolia (Casuarinaceae) | Casuarina litorea L. ex Fosberg & Sachet | tree | No |
Catharanthus roseus (Apocynaceae) | Lochnera rosea (L.) Reichb. ex Steud.; Vinca rosea L. | herb | No |
Cenchrus echinatus (Poaceae) | grass | No | |
Centella asiatica (Apiaceae) | Hydrocotyle asiatica L.; Hydrocotyle erecta L. f. | herb | No |
Citrus aurantiifolia (Rutaceae) | Citrus acida Roxb.; Citrus lima Lunan; Limonia aurantiifolia Christm. | tree | No |
Cleome viscosa (Cleomaceae) | Arivela viscosa (L.) Raf.; Polanisia viscosa DC. | herb | No |
Coffea arabica (Rubiaceae) | tree | No | |
Colocasia esculenta (Araceae) | Arum esculentum L.; Caladium esculentum (L.) Vent.; Colocasia antiquorum Schott | herb | No |
Commelina diffusa (Commelinaceae) | herb | No | |
Crinum asiaticum (Amaryllidaceae) | Crinum amabile Donn ex Ker Gawl. | herb | No |
Cyanthillium cinereum (Asteraceae) | Blumea chinensis (L.) DC.; Conyza chinensis L.; Conyza cinerea L.; Senecioides cinerea (L.) Kuntze ex Britt. & Wilson; Serratula cinerea (L.) Roxb.; Vernonia cinerea (L.) Less.; Vernonia cinerea var. parviflora (Reinw.) DC. | herb | No |
Cyperus ligularis (Cyperaceae) | Mariscus ligularis (L.) Urb. | sedge | No |
Datura metel (Solanaceae) | Datura alba Nees; Datura chlorantha Hook.; Datura fastuosa L. | shrub | No |
Digitaria horizontalis (Poaceae) | grass | No | |
Eleusine indica (Poaceae) | Cynosurus indicus L.; Eleusine japonica Steud. | grass | No |
Eragrostis amabilis (Poaceae) | Eragrostis plumosa (Retz.) Link; Eragrostis tenella (L.) P. Beauv. ex Roem. & Schult.; Poa tenella L. | grass | No |
Eucalyptus camaldulensis (Myrtaceae) | Eucalyptus longirostris F. Muell. ex Miq.; Eucalyptus rostrata Schltdl. | tree | No |
Euphorbia hirta (Euphorbiaceae) | Chamaesyce hirta (L.) Millsp.; Euphorbia pilulifera L. | herb | No |
Euphorbia prostrata (Euphorbiaceae) | Chamaesyce prostrata (Aiton) Small | herb | No |
Euphorbia thymifolia (Euphorbiaceae) | Chamaesyce thymifolia (L.) Millsp.; Euphorbia microphylla Lam. | herb | No |
Euphorbia tirucalli (Euphorbiaceae) | tree | No | |
Furcraea foetida (Asparagaceae) | Agave foetida L.; Furcraea gigantea Vent. | succulent | No |
Gliricidia sepium (Fabaceae) | Gliricidia maculata (Kunth) Kunth ex Walp. | tree | No |
Heliotropium indicum (Boraginaceae) | herb | No | |
Ipomoea violacea (Convolvulaceae) | Convolvulus tuba Schlechtend.; Ipomoea macrantha Roem. & Schult.; Ipomoea tuba (Schlechtend.) G. Don | vine | No |
Kalanchoe pinnata (Crassulaceae) | Bryophyllum calycinum Salisb.; Bryophyllum pinnatum (Lam.) Oken; Crassula pinnata L. f. | succulent | No |
Kyllinga nemoralis (Cyperaceae) | Cyperus kyllingia Endl.; Kyllinga monocephala Rottb. | sedge | No |
Lemna spp. (Araceae) | aquatic herb | No | |
Ludwigia octovalvis (Onagraceae) | Jussiaea erecta sensu various authors; Jussiaea suffruticosa L. | herb | No |
Mangifera indica (Anacardiaceae) | tree | No | |
Mirabilis jalapa (Nyctaginaceae) | herb | No | |
Momordica charantia (Cucurbitaceae) | Momordica muricata Willd.; Momordica zeylanica Mill. | vine | No |
Moringa oleifera (Moringaceae) | Moringa pterygospera C. F. Gaertn. | tree | No |
Nicotiana tabacum (Solanaceae) | herb | No | |
Oldenlandia corymbosa (Rubiaceae) | Hedyotis corymbosa (L.) Lam. | herb | No |
Panicum maximum (Poaceae) | Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs; Urochloa maxima (Jacq.) R. Webster | grass | No |
Passiflora foetida (Passifloraceae) | vine | No | |
Passiflora suberosa (Passifloraceae) | vine | No | |
Peperomia pellucida (Piperaceae) | herb | No | |
Persea americana (Lauraceae) | tree | No | |
Phyllanthus acidus (Phyllanthaceae) | Cicca nodiflora Lam. | tree | No |
Phyllanthus amarus (Phyllanthaceae) | Phyllanthus niruri sensu various Pacific botanists | herb | No |
Portulaca oleracea (Portulacaceae) | herb | No | |
Quisqualis indica (Combretaceae) | vine | No | |
Ricinus communis (Euphorbiaceae) | shrub | No | |
Senna occidentalis (Fabaceae) | Cassia occidentalis L. | shrub | No |
Sesbania cannabina (Fabaceae) | herb | No | |
Sida acuta (Malvaceae) | herb | No | |
Spondias purpurea (Anacardiaceae) | tree | No | |
Stachytarpheta jamaicensis (Verbenaceae) | herb | No | |
Synedrella nodiflora (Asteraceae) | herb | No | |
Turnera ulmifolia (Passifloraceae) | herb | No |