This table lists all species profiled on PIER with the genus beginning with the letter T. An alphabetical index to all PIER species is also available. Also, the complete alphabetical of all PIER species is available, but it is a large list and may take a while to load on systems with slower internet connections. 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.
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 |
Present on
Pacific Islands? |
Primarily a threat at high elevations? |
| Tabebuia heterophylla (Bignoniaceae) | Bignonia pentaphylla L.; Tabebuia pallida auct. non (L.) Hemsley; Tabebuia pentaphylla Hemsl. | tree | Yes | No |
| Tabebuia pallida (Bignoniaceae) | Bignonia pallida Lindl. | tree | Yes | No |
| Tabebuia rosea (Bignoniaceae) | Tabebuia pentaphylla auct.; Tecoma rosea Bertol. | tree | Yes | No |
| Tagetes erecta (Asteraceae) | herb | Yes | No | |
| Tagetes minuta (Asteraceae) | herb | Yes | Yes | |
| Tagetes patula (Asteraceae) | Tagetes lunulata Ortega | herb | Yes | No |
| Talinum fruticosum (Portulacaceae) | Portulaca fruticosa L.; Portulaca triangularis Jacq.; Talinum crassifolium (Jacq.) Willd.; Talinum triangulare (Jacq.) Willd. | herb | Yes | No |
| Talinum paniculatum (Portulacaceae) | Portulaca paniculatum Jacq. | herb | Yes | No |
| Tamarix aphylla (Tamaricaceae) | shrub/tree | Yes | No | |
| Tamarix gallica (Tamaricaceae) | shrub/tree | No | No | |
| Taraxacum officinale (Asteraceae) | herb | Yes | No | |
| Tecoma capensis (Bignoniaceae) | Tecomaria capensis (Thunb.) Spach | vine | Yes | No |
| Tecoma stans (Bignoniaceae) | Bignonia stans L.; Stenolobium stans Seem. | tree | Yes | No |
| Tephrosia candida (Fabaceae) | shrub | Yes | No | |
| Tephrosia glomeruliflora (Fabaceae) | shrub | No | No | |
| Tephrosia noctiflora (Fabaceae) | herb | Yes | No | |
| Terminalia myriocarpa (Combretaceae) | tree | Yes | No | |
| Tetragonia tetragonoides (Aizoaceae) | herb | Yes | No | |
| Tetrastigma pubinerve (Vitaceae) | vine | Yes | No | |
| Tetrastigma voinierianum (Vitaceae) | Vitis voinieriana Baltet | vine | Yes | No |
| Tetrazygia bicolor (Melastomataceae) | shrub/tree | Yes | No | |
| Teucrium vesicarium (Lamiaceae) | Teucrium inflatum Sw. | herb | Yes | No |
| Themeda arguens (Poaceae) | grass | Yes | No | |
| Themeda gigantea (Poaceae) | Anthisiria gigantea Cav. | grass | Yes | No |
| Themeda quadrivalvis (Poaceae) | grass | Yes | No | |
| Themeda villosa (Poaceae) | Anthistiria villosa Poir.; Themeda gigantea (Cav.) Hack. subsp. villosa (Poir.) Hack. | grass | Yes | No |
| Thevetia peruviana (Apocynaceae) | Cascabela thevetia (L.) Lippold; Thevetia nerifolia Juss. ex Steud. | tree | Yes | No |
| Thunbergia alata (Acanthaceae) | vine | Yes | No | |
| Thunbergia fragrans (Acanthaceae) | vine | Yes | No | |
| Thunbergia grandiflora (Acanthaceae) | vine | Yes | No | |
| Thunbergia laurifolia (Acanthaceae) | Thunbergia grandiflora var. laurifolia (Lindley) Benoist; Thunbergia harrisii Hook. | vine | Yes | No |
| Tibouchina herbacea (Melastomataceae) | shrub | Yes | No | |
| Tibouchina urvilleana (Melastomataceae) | Tibouchina semidecandra (DC.) Cogn. | shrub | Yes | No |
| Tillandsia usneoides (Bromeliaceae) | bromeliad | Yes | No | |
| Timonius timon (Rubiaceae) | tree | Yes | No | |
| Tithonia diversifolia (Asteraceae) | shrub | Yes | No | |
| Toona ciliata (Meliaceae) | Cedrela australis F. v. Muell.; Cedrela toona Roxb. ex Rottl. & Willd.; Toona australis (F. v. Muell.) Harms | tree | Yes | No |
| Topobea parasitica (Melastomataceae) | Blakea parasitica (Aubl.) D. Don | herb | No | No |
| Tradescantia fluminensis (Commelinaceae) | herb | No | No | |
| Tradescantia spathacea (Commelinaceae) | Rhoeo discolor Hance ex Walp.; Rhoeo spathacea (Sw.) Stearn; Tradescantia discolor L'Hér. | herb | Yes | No |
| Tradescantia zebrina (Commelinaceae) | Zebrina pendula Schnitzl. | herb | Yes | No |
| Tragus berteronianus (Poaceae) | Nazia aliena (Spreng.) Scribn. | grass | Yes | No |
| Trema orientalis (Ulmaceae) | Trema cannabina Lour.; Trema cannabinum Lour.; Trema orientale (L.) Blume; Trema tomentosum (Roxb.) H. Hara | tree | Yes | No |
| Triadica sebifera (Euphorbiaceae) | Sapium sebiferum (L.) Roxb. | tree | No | No |
| Trianthema portulacastrum (Aizoaceae) | herb | Yes | No | |
| Tribulus cistoides (Zygophyllaceae) | herb | Yes | No | |
| Tribulus terrestris (Zygophyllaceae) | herb | Yes | No | |
| Trichodesma zeylanicum (Boraginaceae) | herb | Yes | No | |
| Tridax procumbens (Asteraceae) | herb | Yes | No | |
| Trimezia steyermarkii (Iridaceae) | herb | Yes | No | |
| Triphasia trifolia (Rutaceae) | shrub | Yes | No | |
| Triplaris weigeltiana (Polygonaceae) | Blochmannia weigeltiana Rchb.; Triplaris surinamensis Cham. | tree | Yes | No |
| Tripsacum latifolium (Poaceae) | grass | Yes | No | |
| Tripsacum laxum (Poaceae) | Tripsacum fasciculatum Trin. ex Asch. | grass | Yes | No |
| Triumfetta rhomboidea (Tiliaceae) | Triamfetta bartramia L. | shrub | Yes | No |
| Triumfetta semitriloba (Tiliaceae) | shrub | Yes | No | |
| Tropaeolum majus (Tropaeolaceae) | herb | Yes | Yes | |
| Turbina corymbosa (Convolvulaceae) | Convolvulus corymbosus L.; Ipomoea burmannii Choisy; Rivea corymbosa (L.) Hallier f. | vine | No | No |
| Turnera subulata (Turneraceae) | herb | Yes | No | |
| Turnera ulmifolia (Turneraceae) | herb | Yes | No | |
| Typha latifolia (Typhaceae) | aquatic herb | Yes | No |