Pacific Island Ecosystems at Risk (PIER)


Risk Assessments for species listed on PIER
Risk assessments for species beginning with the letters "T" and "U":


Information on Risk Assessments
Scientific Name Family Common name Risk assessment Country or Area Score Recommendation
Tabebuia aurea Bignoniaceae silver trumpet tree Assessment Pacific 3 low risk*
Tabebuia berteroi Bignoniaceae Hispaniolan rosy trumpet tree Assessment Pacific -4 low risk

Tabebuia donnell-smithii

Bignoniaceae

gold tree

Assessment

Pacific

-4

low risk

Tabebuia heterophylla Bignoniaceae pink trumpet tree Assessment Pacific 1 low risk*
Tabebuia impetiginosa Bignoniaceae mauve tabebuia Assessment Pacific -2 low risk
Tabebuia ochracea Bignoniaceae golden trumpet tree Assessment Pacific -3 low risk
Tabebuia pallida Bignoniaceae Cuban pink trumpet-tree Assessment Pacific 11 high risk
Tabebuia rosea Bignoniaceae rosy trumpet tree Assessment Pacific 3 evaluate
Tabernaemontana divaricata Apocynaceae crepe jasmine Assessment Pacific -1 low risk
Tabernaemontana elegans Apocynaceae warty toad tree Assessment Pacific -1 low risk
Tabernaemontana sananho Apocynaceae uchu sanango Assessment U.S. (Florida) -2 accept
Tacca chantrieri Taccaceae batflower Assessment Pacific 5 evaluate

Tacca leontopetaloides

Taccaceae

Polynesian arrowroot

Assessment

Pacific

0

low risk

Tagetes minuta Asteraceae Aztec marigold Assessment Pacific 20 high risk
Talinum paniculatum Portulacaceae jewels of Opar Assessment Pacific 16 high risk
Talipariti elatum Malvaceae blue mahoe

Assessment

Pacific 5 low risk*
Talipariti macrophyllum Malvaceae largeleaf rosemallow Assessment Pacific 3 evaluate
Talisia esculenta Sapindaceae pitomba Assessment Pacific -1 low risk

Tamarindus indica

Fabaceae

tamarind

Assessment

Pacific

-3

low risk

Tamarix aphylla Tamaricaceae Athel tamarisk Assessment Pacific 13 high risk
Tamarix gallica Tamaricaceae saltcedar Assessment Pacific 8.5 high risk
Tamarix parviflora Tamaricaceae small flower tamarisk Assessment Pacific 8 high risk
Tapeinochilos ananassae Costaceae pineapple ginger Assessment Pacific -5 low risk
Tarlmounia elliptica Asteraceae kheua sa lot Assessment Pacific 6 evaluate
Tecoma alata Bignoniaceae cahuato Assessment Pacific -3 low risk

Tecoma capensis

Bignoniaceae

cape honeysuckle

Assessment

Pacific

6

evaluate

Tecoma guarume Bignoniaceae cahuato Assessment U.S. (Florida) 1 evaluate
Tecoma stans Bignoniaceae yellow bells Assessment Pacific 8 high risk
Tecomanthe dendrophila Bignoniaceae forest bell creeper Assessment Pacific -1 low risk
Tectaria incisa Dryopteridaceae incised halberd fern Assessment U.S. (Florida) 2 accept*

Tectona grandis

Verbenaceae

teak

Assessment

Pacific

-5

low risk

Telopea speciosissima Proteaceae New South Wales waratah Assessment Pacific -8 low risk
Telosma cordata Apocynaceae Chinese violet Assessment Pacific -4 low risk
Tephrosia candida Fabaceae white hoarypea Assessment Australia 11 reject
Tephrosia candida Fabaceae white hoarypea Assessment Pacific 8 high risk

Tephrosia purpurea

Fabaceae

pila

Assessment

Pacific

7

high risk**

Terminalia catappa Combretaceae tropical almond Assessment Pacific 4 low risk*
Terminalia ivorensis Combretaceae black afara Assessment Pacific 8 high risk
Terminalia mantaly Combretaceae Madagascar almond Assessment Pacific 3 low risk*
Terminalia melanocarpa Combretaceae beach almond Assessment Pacific -1 low risk
Terminalia myriocarpa Combretaceae East Indian almond Assessment Pacific -2 low risk
Terminalia randii Combretaceae small-leaved terminalia Assessment U.S. (Florida) 2 evaluate
Tetragonia tetragonoides Aizoaceae New Zealand spinach Assessment Pacific 7 high risk
Tetrapanax papyrifer Araliaceae rice-paper-plant Assessment Pacific 5 evaluate
Tetrapanax papyrifer Araliaceae Chinese rice-paper plant Assessment U.S. (Florida) 6 evaluate
Tetrastigma leucostaphylum Vitaceae   Assessment Pacific 2 evaluate
Tetrastigma pubinerve Vitaceae tetrastigma Assessment Pacific 8 high risk
Tetrastigma voinierianum Vitaceae lizard plant Assessment Pacific 8 high risk
Tetrazygia bicolor Melastomataceae Florida clover ash Assessment Pacific 7 high risk
Thelypteris beddomei Thelypteridaceae Assessment U.S. (Florida) 2 accept*
Themedia quadrivalvis Poaceae grader grass Assessment Australia 1 evaluate

Theobroma cacao

Sterculiaceae

cocoa

Assessment

Pacific

-5

low risk

Thespesia grandiflora Malvaceae maga Assessment Pacific -4 low risk
Thespesia populnea Malvaceae milo Assessment Pacific 9 high risk**
Thespesia populnea Malvaceae milo Assessment U.S. (Florida) 13 reject**
Thevetia peruviana Apocynaceae yellow oleander  Assessment Pacific 9 high risk
Thevetia thevetioides Apocynaceae giant Thevetia Assessment Pacific 1 low risk*
Tlaspi arvense Brassicaceae pennycress Assessment Pacific 19 high risk

Thrinax parviflora

Arecaceae

thatch palm

Assessment

Pacific

-6

low risk

Thrinax radiata Arecaceae Florida thatch palm Assessment Pacific -2 low risk
Thunbergia alata Acanthaceae black-eyed-susan vine Assessment Pacific 14 high risk

Thunbergia erecta

Acanthaceae

bush thunbergia

Assessment

Pacific

-2

low risk

Thunbergia fragrans Acanthaceae white lady Assessment Pacific 9 high risk
Thunbergia grandiflora Acanthaceae blue trumpet vine Assessment Australia 13 reject

Thunbergia grandiflora

Acanthaceae

blue trumpet vine

Assessment

Pacific

11

high risk

Thunbergia laurifolia Acanthaceae blue trumpet vine Assessment Pacific 11 high risk
Thunbergia mysorensis Acanthaceae mysore clock vine Assessment Pacific -6 low risk
Thuja x 'Green Giant' Cupressaceae green giant Assessment Pacific -14 low risk
Thymus vulgaris Lamiaceae thyme Assessment Pacific 4 low risk*
Tibouchina granulosa Melastomataceae purple glorybush Assessment Pacific 8 high risk
Tibouchina herbacea Melastomataceae cane tibouchina Assessment Pacific 24 high risk
Tibouchina longifolia Melastomataceae long leaf glory tree Assessment Pacific 3 evaluate
Tibouchina multiflora Melastomataceae today-tomorrow tibouchina Assessment Pacific -4 low risk

Tibouchina urvilleana

Melastomataceae

glory bush

Assessment

Pacific

10

high risk

Tillandsia cyanea

Bromeliaceae

pink quill

Assessment

Pacific

-5

low risk

Tillandsia usneoides Bromeliaceae Spanish moss Assessment Pacific 9 high risk

Tipuana tipu

Fabaceae

tipu tree

Assessment

Pacific

0

low risk

Tithonia diversifolia Asteraceae Mexican sunflower Assessment Pacific 17 high risk
Toona ciliata Meliaceae Australian red cedar Assessment Pacific 12 high risk
Topobea parasitica Melastomataceae topobea Assessment Pacific 3 high risk*
Torilis arvensis Apiaceae common Hedge Parsley Assessment Pacific 9 high risk

Tournefortia argentea

Boraginaceae

tree heliotrope

Assessment

Pacific

4

evaluate**

Trachelospermum jasminoides Apocynaceae confederate jasmine Assessment Pacific -3 low risk
Trachelospermum jasminoides Apocynaceae confederate jasmine Assessment U.S. (Florida) -2 accept
Tradescantia fluminensis Commelinaceae wandering jew Assessment Pacific 17 high risk
Tradescantia fluminensis Commelinaceae white-flowered wandering jew Assessment U.S. (Florida) 18 reject
Tradescantia spathacea Commelinaceae boat-lily Assessment Pacific 11 high risk
Trevesia palmata Araliaceae snowflake tree Assessment Pacific 5 evaluate
Triadica sebifera Euphorbiaceae Chinese tallow Assessment Pacific 14 high risk
Triadica sebifera Euphorbiaceae Chinese tallow Assessment U.S. (Florida) 18 reject
Tribulus terrestris Zygophyllaceae puncture vine Assessment Australia 14 reject
Tribulus terrestris Zygophyllaceae puncture vine Assessment Pacific 11 high risk
Tricyrtis affinis Liliaceae Assessment U.S. (Florida) 4 accept*
Tridax procumbens Asteraceae tridax daisy Assessment United States   high risk
Triphasia trifolia Rutaceae limeberry Assessment Pacific 9 high risk
Triplaris weigeltiana Polygonaceae long john Assessment Pacific 4 high risk*
Tristellateia australasiae Malpighiaceae galphimia vine Assessment Pacific -3 low risk
Tulipa gesneriana Liliaceae Didier's tulip Assessment U.S. (Florida) 3 accept*
Tulipa karabachensis Liliaceae   Assessment U.S. (Florida) 1 accept*
Tupistra nutans Asparagaceae   Assessment U.S. (Florida) -1 accept
Turbina corymbosa Convolvulaceae turbina Assessment Pacific 15 high risk

Turnera ulmifolia

Turneraceae

yellow alder

Assessment

Pacific

10

high risk

Typha latifolia Typhaceae common cattail Assessment Pacific 26 high risk
Ulex europaeus Fabaceae gorse Assessment Australia 26 reject
Ulex europaeus Fabaceae gorse Assessment Pacific 20 high risk
Ulmus parvifolia Ulmaceae Chinese elm Assessment Pacific 12 high risk
Ulmus pumila Ulmaceae Siberian elm Assessment Pacific 9 high risk
Urochloa brizantha Poaceae signal grass Assessment Australia 4 evaluate
Urochloa decumbens Poaceae basilisk signal grass Assessment Australia 10 reject
Urochloa humidicola Poaceae creeping signal grass Assessment Australia 4 more information
Urochloa mutica Poaceae para grass Assessment Australia 14 reject
Urochloa mutica Poaceae para grass Assessment Pacific 12 high risk
Urochloa subquadripara Poaceae tropical signalgrass Assessment U.S. (Florida) 8 reject

*Accepted or rejected based on second screen.
**Native or early introduction in the Pacific region (excluding Hawai‘i).


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This page updated 14 December 2012