risk assessments

Pacific Island Ecosystems at Risk (PIER)

Risk Assessments for species listed on PIER
Risk assessments for species beginning with the letter "S":

Information on Risk Assessments

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

Salix babylonica Salicaceae weeping willow Assessment Pacific 9 high risk

Salvinia molesta Salviniaceae salvinia Assessment Australia 19 reject

Salvinia molesta Salviniaceae salvinia Assessment Pacific 29 high risk

Samanea saman Fabaceae monkeypod Assessment Pacific 4 low risk*

Sansevieria trifasciata

Agavaceae

monther-in-law's tongue

Assessment

Pacific

9

high risk

Schefflera actinophylla

Araliaceae

octopus tree

Assessment

Pacific

13

high risk

Schefflera arboricola Araliaceae dwarf schefflera Assessment Pacific 3 evaluate

Schefflera taiwaniana Araliaceae umbrella plant Assessment Pacific 1 evaluate

Schinus molle Anacardiaceae pepper tree Assessment Pacific 10 high risk

Schinus terebinthifolius

Anacardiaceae

Christmas berry

Assessment

Pacific

19

high risk

Schizachyrium condensatum Poaceae bush beardgrass Assessment Pacific 8 high risk

Senecio madagascariensis Asteraceae fireweed Assessment Australia 15 reject

Senecio madagascariensis

Asteraceae

fireweed

Assessment

Pacific

23

high risk

Senna alata Fabaceae candle bush Assessment Australia 20 reject

Senna alata Fabaceae candle bush Assessment Pacific 10 high risk

Senna obtusifolia Fabaceae sicklepod Assessment Australia 14 reject

Senna siamea Fabaceae cassod tree Assessment Pacific 5 low risk*

Senna surattensis

Fabaceae

kolomona

Assessment

Pacific

0

evaluate

Senna tora Fabaceae Java bean Assessment Australia 10 reject

Sesbania cannabina Fabaceae sesbania pea Assessment Australia 17 reject

Sesbania grandiflora Fabaceae scarlet wisteria tree Assessment Pacific 2 low risk*

Sesbania punicea

Fabaceae

rattlebox

Assessment

Pacific

9.5

high risk

Sesbania sesban Fabaceae Egyptian riverhemp Assessment Pacific 11 high risk

Setaria italica Poaceae foxtail millet Assessment Australia 3 evaluate

Setaria palmifolia Poaceae palmgrass Assessment Australia 7 reject

Sida acuta Malvaceae broom weed Assessment Australia 19 reject

Sida cordifolia Malvaceae flannelweed Assessment Australia 15 reject

Sida rhombifolia Malvaceae paddy's lucerne Assessment Australia 13 reject

Solandra maxima Solanaceae golden cup Assessment Pacific 3 evaluate

Solanum seaforthianum Solanaceae Brazilian nightshade Assessment Pacific 9 high risk

Sorghum bicolor Poaceae grain sorghum Assessment Australia 3 evaluate

Sorghum halepense Poaceae Johnson grass Assessment Australia 25 reject

Spartium junceum

Fabaceae

Spanish broom

Assessment

Pacific

12

high risk

Spathodea campanulata Bignoniaceae African tulip tree Assessment Pacific 14 high risk

Sphagneticola trilobata Asteraceae Singapore daisy Assessment Australia 6 reject

Sphagneticola trilobata Asteraceae Singapore daisy Assessment Pacific 13 high risk

Stachytarpheta cayennensis Verbenaceae blue rat's tail Assessment Australia 20 reject

Stenotaphrum secundatum Poaceae St. Augustine grass Assessment Australia 6 reject

Stenotaphrum secundatum Poaceae St. Augustine grass Assessment Pacific 15 high risk

Stylosanthes guianensis Fabaceae stylo Assessment Australia 12 reject

Stylosanthes guianensis Fabaceae stylo Assessment Pacific 11 high risk

Stylosanthes scabra

Fabaceae

shrubby stylo

Assessment

Pacific

1

low risk*

Swietenia macrophylla

Meliaceae

large-leaf mahogany

Assessment

Pacific

-2

low risk

Syngonium podophyllum Araceae arrowhead plant

Scientific Name	Family	Common name	Risk assessment	Country or Area	Score	Recommendation
Salix babylonica	Salicaceae	weeping willow	Assessment	Pacific	9	high risk
Salvinia molesta	Salviniaceae	salvinia	Assessment	Australia	19	reject
Salvinia molesta	Salviniaceae	salvinia	Assessment	Pacific	29	high risk
Samanea saman	Fabaceae	monkeypod	Assessment	Pacific	4	low risk*
*Sansevieria trifasciata*	Agavaceae	monther-in-law's tongue	Assessment	Pacific	9	high risk
*Schefflera actinophylla*	Araliaceae	octopus tree	Assessment	Pacific	13	high risk
Schefflera arboricola	Araliaceae	dwarf schefflera	Assessment	Pacific	3	evaluate
Schefflera taiwaniana	Araliaceae	umbrella plant	Assessment	Pacific	1	evaluate
Schinus molle	Anacardiaceae	pepper tree	Assessment	Pacific	10	high risk
*Schinus terebinthifolius*	Anacardiaceae	Christmas berry	Assessment	Pacific	19	high risk
*Schizachyrium condensatum*	Poaceae	bush beardgrass	Assessment	Pacific	8	high risk
Senecio madagascariensis	Asteraceae	fireweed	Assessment	Australia	15	reject
Senecio madagascariensis	Asteraceae	fireweed	Assessment	Pacific	23	high risk
Senna alata	Fabaceae	candle bush	Assessment	Australia	20	reject
Senna alata	Fabaceae	candle bush	Assessment	Pacific	10	high risk
Senna obtusifolia	Fabaceae	sicklepod	Assessment	Australia	14	reject
Senna siamea	Fabaceae	cassod tree	Assessment	Pacific	5	low risk*
Senna surattensis	Fabaceae	kolomona	Assessment	Pacific	0	evaluate
Senna tora	Fabaceae	Java bean	Assessment	Australia	10	reject
Sesbania cannabina	Fabaceae	sesbania pea	Assessment	Australia	17	reject
Sesbania grandiflora	Fabaceae	scarlet wisteria tree	Assessment	Pacific	2	low risk*
*Sesbania punicea*	Fabaceae	rattlebox	Assessment	Pacific	9.5	high risk
*Sesbania sesban*	Fabaceae	Egyptian riverhemp	Assessment	Pacific	11	high risk
Setaria italica	Poaceae	foxtail millet	Assessment	Australia	3	evaluate
Setaria palmifolia	Poaceae	palmgrass	Assessment	Australia	7	reject
Sida acuta	Malvaceae	broom weed	Assessment	Australia	19	reject
Sida cordifolia	Malvaceae	flannelweed	Assessment	Australia	15	reject
Sida rhombifolia	Malvaceae	paddy's lucerne	Assessment	Australia	13	reject
Solandra maxima	Solanaceae	golden cup	Assessment	Pacific	3	evaluate
Solanum seaforthianum	Solanaceae	Brazilian nightshade	Assessment	Pacific	9	high risk
Sorghum bicolor	Poaceae	grain sorghum	Assessment	Australia	3	evaluate
Sorghum halepense	Poaceae	Johnson grass	Assessment	Australia	25	reject
Spartium junceum	Fabaceae	Spanish broom	Assessment	Pacific	12	high risk
Spathodea campanulata	Bignoniaceae	African tulip tree	Assessment	Pacific	14	high risk
Sphagneticola trilobata	Asteraceae	Singapore daisy	Assessment	Australia	6	reject
Sphagneticola trilobata	Asteraceae	Singapore daisy	Assessment	Pacific	13	high risk
Stachytarpheta cayennensis	Verbenaceae	blue rat's tail	Assessment	Australia	20	reject
Stenotaphrum secundatum	Poaceae	St. Augustine grass	Assessment	Australia	6	reject
Stenotaphrum secundatum	Poaceae	St. Augustine grass	Assessment	Pacific	15	high risk
Stylosanthes guianensis	Fabaceae	stylo	Assessment	Australia	12	reject
Stylosanthes guianensis	Fabaceae	stylo	Assessment	Pacific	11	high risk
*Stylosanthes scabra*	Fabaceae	shrubby stylo	Assessment	Pacific	1	low risk*
Swietenia macrophylla	Meliaceae	large-leaf mahogany	Assessment	Pacific	-2	low risk
Syngonium podophyllum	Araceae	arrowhead plant