This table lists invasive and potentially invasive plant species profiled by the Pacific Island Ecosystems at Risk project (PIER) that occur on Ngercheu 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? |
| Acacia auriculiformis (Fabaceae) | tree | No | |
| Agave americana (Asparagaceae) | succulent | No | |
| Alternanthera brasiliana (Amaranthaceae) | Alternanthera dentata (Moench) Stuchlik ex R. E. Fr.; Gomphrena brasiliana L. | herb | No |
| Amaranthus viridis (Amaranthaceae) | Amaranthus gracilis Desf., nom. nud. | herb | No |
| Axonopus compressus (Poaceae) | grass | No | |
| Callisia fragrans (Commelinaceae) | herb | No | |
| Capsicum frutescens (Solanaceae) | herb | No | |
| Cenchrus echinatus (Poaceae) | grass | No | |
| Clerodendrum quadriloculare (Lamiaceae) | Ligustrum quadriloculare Blanco | shrub | No |
| Clerodendrum speciosissimum (Lamiaceae) | Clerodendrum blumeanum Schauer; Clerodendrum buchananii var. fallax (Roxburgh) Walpers; Clerodendrum fallax Lindl. | shrub | No |
| Conyza canadensis (Asteraceae) | Erigeron canadensis L. | herb | No |
| Cyperus rotundus (Cyperaceae) | Chlorocyperus rotundus (L.) Palla; Cyperus tetrastachyos Desf. | sedge | No |
| Datura metel (Solanaceae) | Datura alba Nees; Datura chlorantha Hook.; Datura fastuosa L. | shrub | No |
| Digitaria ciliaris (Poaceae) | Digitaria adscendens (Kunth) Henrard | grass | No |
| Duranta erecta (Verbenaceae) | Duranta ellisia Jacq.; Duranta plumieri Jacq.; Duranta repens L. | shrub | 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 |
| Erigeron bellioides (Asteraceae) | herb | No | |
| Euphorbia cyathophora (Euphorbiaceae) | Poinsettia cyathophora (Murray) Klotzsch & Garcke | herb | No |
| Euphorbia graminea (Euphorbiaceae) | herb | No | |
| Ficus benjamina (Moraceae) | Ficus nitida Thunb. | tree | No |
| Gomphrena globosa (Amaranthaceae) | herb | No | |
| Hemigraphis reptans (Acanthaceae) | Strobilanthes reptans (G. Forst.) Moylan ex Y.F. Deng & J.R.I. Wood | herb | No |
| Kalanchoe pinnata (Crassulaceae) | Bryophyllum calycinum Salisb.; Bryophyllum pinnatum (Lam.) Oken; Crassula pinnata L. f. | succulent | No |
| Lantana camara (Verbenaceae) | shrub | No | |
| Leucaena leucocephala (Fabaceae) | Acacia glauca Willd.; Leucaena glauca auct.; Mimosa leucocephala Lam. | tree | No |
| Melia azedarach (Meliaceae) | Melia candollei A. Juss.; Melia floribunda Carrière; Melia toosendan Siebold & Zucc. | tree | No |
| Momordica charantia (Cucurbitaceae) | Momordica muricata Willd.; Momordica zeylanica Mill. | vine | No |
| Moringa oleifera (Moringaceae) | Moringa pterygospera C. F. Gaertn. | tree | No |
| Muntingia calabura (Muntinginaceae) | tree | No | |
| Oldenlandia corymbosa (Rubiaceae) | Hedyotis corymbosa (L.) Lam. | herb | No |
| Opuntia monacantha (Cactaceae) | Opuntia vulgaris auct. mult. | cactus | No |
| Paspalum scrobiculatum (Poaceae) | Paspalum cartilagineum Presl.; Paspalum orbiculare G. Forst. | grass | No |
| Passiflora foetida (Passifloraceae) | vine | No | |
| Pedilanthus tithymaloides (Euphorbiaceae) | Euphorbia tithymaloides L. | herb | No |
| Pereskia aculeata (Cactaceae) | shrub | No | |
| Phyllanthus amarus (Phyllanthaceae) | Phyllanthus niruri sensu various Pacific botanists | herb | No |
| Pilea microphylla (Urticaceae) | herb | No | |
| Portulaca oleracea (Portulacaceae) | herb | No | |
| Pseuderanthemum carruthersii (Acanthaceae) | Pseuderanthemum atropurpureum (W. Bull) Radlk.; Pseuderanthemum reticulatum Radlk. | shrub | No |
| Sansevieria trifasciata (Asparagaceae) | herb | No | |
| Spermacoce ovalifolia (Rubiaceae) | Borreria ovalifolia M. Martens & Galeotti; Spermacoce ernstii Fosberg & D. Powell | herb | No |
| Spermacoce remota (Rubiaceae) | Borreria laevis sensu various authors; Spermacoce assurgens Ruiz & Pav. | herb | No |
| Timonius timon (Rubiaceae) | tree | No | |
| Tradescantia spathacea (Commelinaceae) | Rhoeo discolor Hance ex Walp.; Rhoeo spathacea (Sw.) Stearn; Tradescantia discolor L'Hér. | herb | No |
| Tradescantia zebrina (Commelinaceae) | Zebrina pendula Schnitzl. | herb | No |
| Zoysia matrella (Poaceae) | Agrostis matrella L.; Osterdamia matrella (L.) Kuntze; Zoysia pungens Willd. | grass | No |