risk assessments

Pacific Island Ecosystems at Risk (PIER)

Risk Assessments
Risk assessments for species beginning with the letters "V", "W", "X", "Y" and "Z":

Information on Risk Assessments

Scientific Name Family Common name Risk assessment Country or Area Score Recommendation

Vaccinium corymbosum hybrid Ericaceae southern highbush Assessment Pacific 2 evaluate

Vaccinium virgatum Ericaceae southern black blueberry Assessment Pacific 2 evaluate

Vachellia campechiana Fabaceae cubata Assessment Pacific 5 low risk*

Vachellia xanthophloea Fabaceae fever tree Assessment Pacific 2 low risk*

Vanda tricolor Orchidaceae Assessment Pacific 8 high risk

Vangueria madagascariensis Rubiaceae Spanish tamarind Assessment U.S. (Florida) 3 accept*

Vanilla planifolia Orchidaceae vanilla Assessment Pacific 9 high risk

Veitchia joannis

Arecaceae

Joannis palm

Assessment

Pacific

-1

low risk

Veitchia merrillii

Arecaceae

Manila palm

Assessment

Pacific

-2

low risk

Veitchia montgomeryana

Arecaceae

Montgomery palm

Assessment

Pacific

-1

low risk

Veitchia winin

Arecaceae

Winin palm

Assessment

Pacific

-4

low risk

Verbascum thapsus Scrophulariaceae common mullein Assessment Pacific 11 high risk

Verbesina encelioides Asteraceae golden crown-beard Assessment Pacific 19 high risk

Verbesina turbacensis Asteraceae verbesina Assessment Pacific 5 evaluate

Vicia sativa Fabaceae common vetch Assessment Australia 9 reject

Vigna radiata Fabaceae mung bean Assessment Australia -1 accept

Vigna speciosa Fabaceae prairie vetch Assessment Pacific 6 evaluate

Vitex agnus-castus Lamiaceae chastetree Assessment Pacific 9 high risk

Vitex parviflora Verbenaceae smallflower chastetree Assessment Pacific 9 high risk

Vitex trifolia Verbenaceae blue vitex, Indian privet Assessment Pacific 9 high risk**

Voacanga thouarsii Apocynaceae wild frangipani Assessment U.S. (Florida) 0 accept

Vulpia myuros Poaceae rat-tail fescue Assessment U.S. (Florida) 16 reject

Wallaceodendron celebicum Fabaceae banuyo Assessment Pacific 0 low risk

Washingtonia filifera Arecaceae Washington palm Assessment Pacific 11.5 high risk

Washingtonia robusta Arecaceae Mexican fan palm Assessment Pacific 15 high risk

Washingtonia robusta Arecaceae Mexican fan palm Assessment U.S. (Florida) 10 reject

Wisteria brachybotrys Fabaceae silky wisteria Assessment U.S. (Florida) 2 accept*

Wisteria floribunda Fabaceae Japanese wisteria Assessment Pacific 12 high risk

Wodyetia bifurcata Arecaceae foxtail palm Assessment Pacific 0 low risk

Wollastonia biflora Asteraceae wedelia Assessment Pacific 0 low risk

Xanthium strumarium Asteraceae cocklebur Assessment Australia 7 reject

Xanthorrhoea preissii Xanthorrhoeaceae grass tree Assessment Pacific -5 low risk

Xanthosoma robustum

Araceae

elephant ear

Assessment

Pacific

3

evaluate

Yucca guatemalensis Agavaceae bluestem yucca
Assessment

Pacific

6

low risk*

Zamia furfuracea

Zamiaceae

cardboard plant

Assessment

Pacific

-2

low risk

Zantedeschia aethiopica Araceae calla lily Assessment Australia 13 reject

Zantedeschia aethiopica Araceae calla lily Assessment Pacific 15 high risk

Zingiber zerumbet

Zingiberaceae

shampoo ginger

Assessment

Pacific

-1

low risk

Ziziphus mauritiana Rhamnaceae chinee apple Assessment Australia 12 reject

Ziziphus mauritiana Rhamnaceae chinee apple Assessment Pacific 9.5 high risk

Zoysia japonica

Poaceae

Korean lawngrass

Assessment

Pacific

6

low risk*

Zoysia tenuifolia

Poaceae

templegrass

Assessment

Pacific

-2

low risk

*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 4 September 2012

Scientific Name	Family	Common name	Risk assessment	Country or Area	Score	Recommendation
Vaccinium corymbosum hybrid	Ericaceae	southern highbush	Assessment	Pacific	2	evaluate
Vaccinium virgatum	Ericaceae	southern black blueberry	Assessment	Pacific	2	evaluate
*Vachellia campechiana*	Fabaceae	cubata	Assessment	Pacific	5	low risk*
*Vachellia xanthophloea*	Fabaceae	fever tree	Assessment	Pacific	2	low risk*
*Vanda tricolor*	Orchidaceae		Assessment	Pacific	8	high risk
Vangueria madagascariensis	Rubiaceae	Spanish tamarind	Assessment	U.S. (Florida)	3	accept*
Vanilla planifolia	Orchidaceae	vanilla	Assessment	Pacific	9	high risk
*Veitchia joannis*	Arecaceae	Joannis palm	Assessment	Pacific	-1	low risk
*Veitchia merrillii*	Arecaceae	Manila palm	Assessment	Pacific	-2	low risk
*Veitchia montgomeryana*	Arecaceae	Montgomery palm	Assessment	Pacific	-1	low risk
*Veitchia winin*	Arecaceae	Winin palm	Assessment	Pacific	-4	low risk
*Verbascum thapsus*	Scrophulariaceae	common mullein	Assessment	Pacific	11	high risk
Verbesina encelioides	Asteraceae	golden crown-beard	Assessment	Pacific	19	high risk
Verbesina turbacensis	Asteraceae	verbesina	Assessment	Pacific	5	evaluate
Vicia sativa	Fabaceae	common vetch	Assessment	Australia	9	reject
Vigna radiata	Fabaceae	mung bean	Assessment	Australia	-1	accept
Vigna speciosa	Fabaceae	prairie vetch	Assessment	Pacific	6	evaluate
Vitex agnus-castus	Lamiaceae	chastetree	Assessment	Pacific	9	high risk
*Vitex parviflora*	Verbenaceae	smallflower chastetree	Assessment	Pacific	9	high risk
*Vitex trifolia*	Verbenaceae	blue vitex, Indian privet	Assessment	Pacific	9	high risk**
Voacanga thouarsii	Apocynaceae	wild frangipani	Assessment	U.S. (Florida)	0	accept
Vulpia myuros	Poaceae	rat-tail fescue	Assessment	U.S. (Florida)	16	reject
*Wallaceodendron celebicum*	Fabaceae	banuyo	Assessment	Pacific	0	low risk
Washingtonia filifera	Arecaceae	Washington palm	Assessment	Pacific	11.5	high risk
Washingtonia robusta	Arecaceae	Mexican fan palm	Assessment	Pacific	15	high risk
Washingtonia robusta	Arecaceae	Mexican fan palm	Assessment	U.S. (Florida)	10	reject
Wisteria brachybotrys	Fabaceae	silky wisteria	Assessment	U.S. (Florida)	2	accept*
*Wisteria floribunda*	Fabaceae	Japanese wisteria	Assessment	Pacific	12	high risk
*Wodyetia bifurcata*	Arecaceae	foxtail palm	Assessment	Pacific	0	low risk
*Wollastonia biflora*	Asteraceae	wedelia	Assessment	Pacific	0	low risk
Xanthium strumarium	Asteraceae	cocklebur	Assessment	Australia	7	reject
Xanthorrhoea preissii	Xanthorrhoeaceae	grass tree	Assessment	Pacific	-5	low risk
Xanthosoma robustum	Araceae	elephant ear	Assessment	Pacific	3	evaluate
Yucca guatemalensis	Agavaceae	bluestem yucca	Assessment	Pacific	6	low risk*
*Zamia furfuracea*	Zamiaceae	cardboard plant	Assessment	Pacific	-2	low risk
Zantedeschia aethiopica	Araceae	calla lily	Assessment	Australia	13	reject
Zantedeschia aethiopica	Araceae	calla lily	Assessment	Pacific	15	high risk
*Zingiber zerumbet*	Zingiberaceae	shampoo ginger	Assessment	Pacific	-1	low risk
Ziziphus mauritiana	Rhamnaceae	chinee apple	Assessment	Australia	12	reject
Ziziphus mauritiana	Rhamnaceae	chinee apple	Assessment	Pacific	9.5	high risk
*Zoysia japonica*	Poaceae	Korean lawngrass	Assessment	Pacific	6	low risk*
*Zoysia tenuifolia*	Poaceae	templegrass	Assessment	Pacific	-2	low risk