risk assessments

Pacific Island Ecosystems at Risk (PIER)

Risk Assessments
Risk assessments for species beginning with the letters "N" and "O":

Information on Risk Assessments

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

Nandina domestica Berberidaceae nandina Assessment Pacific 9 high risk

Nandina domestica Berberidaceae nandina Assessment U.S. (Florida) 12 reject

Nassella tenuissima Poaceae Mexican feather grass Assessment Australia (Queensland) potential serious pest

Nassella tenuissima Poaceae Mexican feather grass Assessment Pacific 24 high risk

Nastus elatus Poaceae New Guinea edible bamboo Assessment Pacific 2 low risk*

Neoharmsia baronii Fabaceae manangona Assessment Pacific -4 low risk

Neonotonia wightii Fabaceae glycine Assessment Australia 7 more information

Neonotonia wightii Fabaceae glycine Assessment Pacific 7 high risk

Nephelium lappaceum Sapindaceae rambutan Assessment Pacific -5 low risk

Nephrolepis biserrata Dryopteridaceae giant sword fern Assessment Pacific 13 high risk**

Nephrolepis cordifolia Dryopteridaceae sword fern Assessment U.S. (Florida) 11 reject**

Nerium oleander Apocynaceae oleander Assessment Pacific 6 evaluate

Neyraudia reynaudiana Poaceae Burma reed Assessment U.S. (Florida) 11 reject

Nicotiana glauca Solanaceae tree tobacco Assessment Pacific 15 high risk

Nicotiana tabacum Solanaceae tobacco Assessment Pacific 9 high risk

Nolina recurvata

Agavaceae

ponytail palm

Assessment

Pacific

-4

low risk

Nopalea cochenillifera Cactaceae Cochineal cactus Assessment Pacific 7 high risk

Norantea guianensis Marcgraviaceae red hot poker vine Assessment Pacific 7 high risk

Normanbaya normanbyi Arecaceae black palm Assessment Pacific -1 low risk

Noronhia emarginata Oleaceae Madagascar olive Assessment Pacific 5 low risk

Nymphaea capensis Nymphaeaceae Cape water-lily Assessment Pacific 12 high risk

Nypa fruticans Arecaceae nipa palm Assessment Pacific 9 high risk

Ochna integerrima Ochnaceae Vietnamese Mickey Mouse plant Assessment Pacific 1 evaluate

Ochna serrulata Ochnaceae Mickey Mouse plant Assessment Pacific 11 high risk

Ochna thomasiana Ochnaceae Mickey Mouse bush Assessment Pacific 8 high risk

Ochroma pyramidale Malvaceae balsa Assessment Pacific 8 high risk

Ochrosia elliptica Apocynaceae elliptic yellowwood Assessment Pacific 2 evaluate

Ocotea meziana Lauraceae Assessment U.S. (Florida) -4 accept

Odontonema cuspidatum Acanthaceae fire spike Assessment Pacific 7 high risk

Odontonema tubaeforme Acanthaceae fire spike Assessment Pacific 11 high risk

Oenocarpus bataua Arecaceae bataua palm Assessment Pacific 2 evaluate

Olea europaea Oleaceae olive Assessment Australia 2 evaluate

Olea europaea ssp. cuspidata Oleaceae wild olive Assessment Pacific 11 high risk

Olea europaea ssp. europaea Oleaceae olive Assessment Pacific 5 evaluate

Oncosperma tigillarium Arecaceae nibong Assessment Pacific 8 high risk

Onopordum acaulon Asteraceae stemless thistle Assessment United States medium-high

Onopordum illyricum Asteraceae Illyrian Thistle Assessment United States medium-high

Ophiopogon japonicus

Liliaceae

mondo grass

Assessment

Pacific

3

low risk*

Opuntia aurantiaca Cactaceae tiger pear Assessment Australia 22 reject

Opuntia fulgida Cactaceae jumping cholla Assessment Pacific 16 high risk

Opuntia robusta Cactaceae wheel cactus Assessment Australia 20 reject

Opuntia monacanta Cactaceae prickly pear Assessment Australia 20 reject

Opuntia stricta Cactaceae erect prickly-pear Assessment Australia 20 reject

Ormosia monosperma Fabaceae necklace tree Assessment Pacific 1 evaluate

Ornithogalum kochii Hyacinthaceae Star of Bethlehem Assessment U.S. (Florida) 2 accept*

Osa pulchra Rubiaceae osa Assessment Pacific -3 low risk

Osmoxylon lineare Araliaceae osmoxylon Assessment Pacific 3 evaluate

Osteospermum fruticosum Asteraceae trailing African daisy Assessment
Pacific

3

low risk*

Otacanthus caeruleus

Scrophulariaceae

Brazilian snapdragon

Assessment

Pacific

-4

low risk

Otatea aztecorum Poaceae Mexican weeping bamboo Assessment Pacific 4 low risk*

Oxalis barrelieri Oxalidaceae lavender sorrel Assessment Pacific 13 high risk

Oxera pulchella Verbenaceae royal vine Assessment Pacific -1 low risk

*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!

[PIER WRAs] [ PIER home ]

This page was created a long time ago, and was last updated on 16 May 2017 by PT.

Scientific Name	Family	Common name	Risk assessment	Country or Area	Score	Recommendation
**Nandina domestica**	Berberidaceae	nandina	Assessment	Pacific	9	high risk
Nandina domestica	Berberidaceae	nandina	Assessment	U.S. (Florida)	12	reject
Nassella tenuissima	Poaceae	Mexican feather grass	Assessment	Australia (Queensland)		potential serious pest
Nassella tenuissima	Poaceae	Mexican feather grass	Assessment	Pacific	24	high risk
*Nastus elatus*	Poaceae	New Guinea edible bamboo	Assessment	Pacific	2	low risk*
*Neoharmsia baronii*	Fabaceae	manangona	Assessment	Pacific	-4	low risk
Neonotonia wightii	Fabaceae	glycine	Assessment	Australia	7	more information
Neonotonia wightii	Fabaceae	glycine	Assessment	Pacific	7	high risk
Nephelium lappaceum	Sapindaceae	rambutan	Assessment	Pacific	-5	low risk
*Nephrolepis biserrata*	Dryopteridaceae	giant sword fern	Assessment	Pacific	13	high risk**
Nephrolepis cordifolia	Dryopteridaceae	sword fern	Assessment	U.S. (Florida)	11	reject**
Nerium oleander	Apocynaceae	oleander	Assessment	Pacific	6	evaluate
Neyraudia reynaudiana	Poaceae	Burma reed	Assessment	U.S. (Florida)	11	reject
Nicotiana glauca	Solanaceae	tree tobacco	Assessment	Pacific	15	high risk
Nicotiana tabacum	Solanaceae	tobacco	Assessment	Pacific	9	high risk
*Nolina recurvata*	Agavaceae	ponytail palm	Assessment	Pacific	-4	low risk
*Nopalea cochenillifera*	Cactaceae	Cochineal cactus	Assessment	Pacific	7	high risk
*Norantea guianensis*	Marcgraviaceae	red hot poker vine	Assessment	Pacific	7	high risk
*Normanbaya normanbyi*	Arecaceae	black palm	Assessment	Pacific	-1	low risk
Noronhia emarginata	Oleaceae	Madagascar olive	Assessment	Pacific	5	low risk
Nymphaea capensis	Nymphaeaceae	Cape water-lily	Assessment	Pacific	12	high risk
Nypa fruticans	Arecaceae	nipa palm	Assessment	Pacific	9	high risk
Ochna integerrima	Ochnaceae	Vietnamese Mickey Mouse plant	Assessment	Pacific	1	evaluate
Ochna serrulata	Ochnaceae	Mickey Mouse plant	Assessment	Pacific	11	high risk
Ochna thomasiana	Ochnaceae	Mickey Mouse bush	Assessment	Pacific	8	high risk
Ochroma pyramidale	Malvaceae	balsa	Assessment	Pacific	8	high risk
Ochrosia elliptica	Apocynaceae	elliptic yellowwood	Assessment	Pacific	2	evaluate
Ocotea meziana	Lauraceae		Assessment	U.S. (Florida)	-4	accept
Odontonema cuspidatum	Acanthaceae	fire spike	Assessment	Pacific	7	high risk
Odontonema tubaeforme	Acanthaceae	fire spike	Assessment	Pacific	11	high risk
Oenocarpus bataua	Arecaceae	bataua palm	Assessment	Pacific	2	evaluate
Olea europaea	Oleaceae	olive	Assessment	Australia	2	evaluate
Olea europaea ssp. cuspidata	Oleaceae	wild olive	Assessment	Pacific	11	high risk
Olea europaea ssp. europaea	Oleaceae	olive	Assessment	Pacific	5	evaluate
Oncosperma tigillarium	Arecaceae	nibong	Assessment	Pacific	8	high risk
Onopordum acaulon	Asteraceae	stemless thistle	Assessment	United States		medium-high
Onopordum illyricum	Asteraceae	Illyrian Thistle	Assessment	United States		medium-high
*Ophiopogon japonicus*	Liliaceae	mondo grass	Assessment	Pacific	3	low risk*
Opuntia aurantiaca	Cactaceae	tiger pear	Assessment	Australia	22	reject
*Opuntia fulgida*	Cactaceae	jumping cholla	Assessment	Pacific	16	high risk
Opuntia robusta	Cactaceae	wheel cactus	Assessment	Australia	20	reject
Opuntia monacanta	Cactaceae	prickly pear	Assessment	Australia	20	reject
Opuntia stricta	Cactaceae	erect prickly-pear	Assessment	Australia	20	reject
Ormosia monosperma	Fabaceae	necklace tree	Assessment	Pacific	1	evaluate
Ornithogalum kochii	Hyacinthaceae	Star of Bethlehem	Assessment	U.S. (Florida)	2	accept*
*Osa pulchra*	Rubiaceae	osa	Assessment	Pacific	-3	low risk
*Osmoxylon lineare*	Araliaceae	osmoxylon	Assessment	Pacific	3	evaluate
Osteospermum fruticosum	Asteraceae	trailing African daisy	Assessment	Pacific	3	low risk*
Otacanthus caeruleus	Scrophulariaceae	Brazilian snapdragon	Assessment	Pacific	-4	low risk
*Otatea aztecorum*	Poaceae	Mexican weeping bamboo	Assessment	Pacific	4	low risk*
*Oxalis barrelieri*	Oxalidaceae	lavender sorrel	Assessment	Pacific	13	high risk
*Oxera pulchella*	Verbenaceae	royal vine	Assessment	Pacific	-1	low risk