risk assessments

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

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).

Need more info? Have questions? Comments? Information to contribute? Contact PIER!

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This page updated 4 September 2012

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
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