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This is a legacy website maintained as a backup for the Hawaii-Pacific Weed Risk Assessment Project.

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Questions? Contact hpwra@hawaii.edu

Abelia x grandiflora — Low Risk: WRA Score = -13

Abelmoschus manihot — Low Risk: WRA Score = 1

Abies concolor (silver fir, white fir) — Evaluate: WRA Score = 1

Abies concolor (silver fir, white fir) — Evaluate: WRA Score = 1

Abies fraseri — Evaluate: WRA Score = 3

Abies grandis — Evaluate: WRA Score = 1

Abies guatemalensis — Low Risk: WRA Score = -2

Abies nordmanniana — Evaluate: WRA Score = 2

Abies procera — Evaluate: WRA Score = 1

Abies religiosa — Low Risk: WRA Score = -2

Abutilon grandifolium — High Risk: WRA Score = 10

Acacia angustissima (fern acacia, prairie acacia, Acaciella) — High Risk: WRA Score = 9

Acacia auriculiformis — High Risk: WRA Score = 13

Acacia cochliacantha — High Risk: WRA Score = 10

Acacia confusa — High Risk: WRA Score = 10

Acacia crassicarpa — High Risk: WRA Score = 7

Acacia cyclops — High Risk: WRA Score = 15

Acacia dealbata — High Risk: WRA Score = 22

Acacia glaucoptera (clay wattle, flat wattle) — Low Risk: WRA Score = -1

Acacia holosericea (candelabra wattle, silverleaf wattle) — High Risk: WRA Score = 7

Acacia insuavis — Evaluate: WRA Score = 5

Acacia karroo (karroothorn) — High Risk: WRA Score = 20

Acacia longifolia — High Risk: WRA Score = 10

Acacia mangium — High Risk: WRA Score = 8

Acacia mearnsii — High Risk: WRA Score = 15

Acacia melanoxylon — High Risk: WRA Score = 12

Acacia nilotica — High Risk: WRA Score = 14

Acacia parramattensis — High Risk: WRA Score = 9

Acacia pendula (weeping myall, silver leaf boree, myall acacia) — High Risk: WRA Score = 8

Acacia podalyriifolia — High Risk: WRA Score = 12

Acacia pycnantha — High Risk: WRA Score = 16

Acacia retinodes — High Risk: WRA Score = 8

Acacia robusta — High Risk: WRA Score = 7

Acacia saligna — High Risk: WRA Score = 17

Acacia stenophylla (shoestring acacia, river cooba, river myall) — Low Risk: WRA Score = 3

Acalypha godseffiana — Low Risk: WRA Score = -7

Acalypha hispida — Low Risk: WRA Score = 2

Acalypha wilkesiana — Low Risk: WRA Score = -2

Acanthocereus tetragonus (barbed-wire cactus, triangle cactus, sword-pear, chaco) — High Risk: WRA Score = 16

Acca sellowiana — Evaluate: WRA Score = 5

Acer rubrum — High Risk: WRA Score = 8

Achillea millefolium — High Risk: WRA Score = 19

Achyranthes aspera — High Risk: WRA SCore = 18

Acmella grandiflora — Low Risk: WRA Score = 0

Acnistus arborescens — Evaluate: WRA Score = 2

Acoelorraphe wrightii — Evaluate: WRA Score = 2

Acokanthera schimperi — Evaluate: WRA Score = 6

Acorus calamus — High Risk: WRA Score = 11

Acrocomia aculeata — Low Risk: WRA Score = 5

Actinidia deliciosa — High Risk: WRA Score = 6.5

Actinidia polygama — Evaluate: WRA Score = 2

Actinorhytis calapparia — Evaluate: WRA Score = 1

Adansonia digitata — Low Risk: WRA Score = -6

Adenanthera pavonina — High Risk: WRA Score = 7

Adenia digitata (wild granadilla) — Evaluate: WRA Score = 2

Adenium obesum — Low Risk: WRA Score = -8

Adiantum hispidulum (rosy maidenhair fern, rough maidenhair) — High Risk: WRA Score = 18

Adiantum raddianum — High Risk: WRA Score = 15

Aechmea blanchetiana — Low Risk: WRA Score = 0

Aechmea bracteata (vase bromeliad, gallito) — High Risk: WRA Score = 7

Aechmea fasciata — Low Risk: WRA Score = 2

Aegle marmelos — Evaluate: WRA Score = 4

Aeschynomene americana — High Risk: WRA Score = 12

Aesculus californica — Low Risk: WRA Score = 0

Afrocarpus falcatus — Low Risk: WRA Score = 0

Afrocarpus mannii (São Tomé yellow-wood, pinheiro da terra) — Low Risk: WRA Score = -1

Agapanthus africanus — Low Risk: WRA Score = 2

Agapanthus praecox — High Risk: WRA Score = 12

Agathis australis — Low Risk: WRA Score = -8

Agathis robusta — Low Risk: WRA Score = -5

Agave americana — High Risk: WRA Score = 12

Agave sisalana — High Risk: WRA Score = 10

Ageratum conyzoides (billygoat-weed, maile hohono, whiteweed) — High Risk: WRA Score = 26

Aglaia odorata — Low Risk: WRA Score = -4

Aglaonema commutatum — Low Risk: WRA Score = 1

Aglaonema nitidum — Low Risk: WRA Score = 0

Agonis flexuosa — High Risk: WRA Score = 7

Agrostis stolonifera (creeping bent grass) — High Risk: WRA Score = 21

Ailanthus altissima — High Risk: WRA Score = 21

Ailanthus excelsa (Indian tree of heaven, ardu) — Evaluate: WRA Score = 4

Aiphanes horrida — High Risk: WRA Score = 7

Ajania pacifica — Low Risk: WRA Score = 1

Ajuga reptans — High Risk: WRA Score = 11

Albizia adianthifolia — High Risk: WRA Score = 9

Albizia chinensis — High Risk: WRA Score = 8

Albizia julibrissin — High Risk: WRA Score = 18

Albizia lebbeck — High Risk: WRA Score = 7

Albizia niopoides — Evaluate: WRA Score = 6

Albizia procera — High Risk: WRA Score = 10

Aleurites moluccana — High Risk: WRA Score = 12

Alibertia edulis (marmelada, puruí) — Low Risk: WRA Score = 3

Alibertia patinoi (burijo, burojó) — Low Risk: WRA Score = -5

Allagoptera arenaria — Evaluate: WRA Score = 2

Allamanda blanchetii — Evaluate: WRA Score = 4

Allamanda cathartica — High Risk: WRA Score = 8

Allamanda schotti — High Risk: WRA Score = 8

Allium sativum — Low Risk: WRA Score = -2

Allocasuarina verticillata — Low Risk: WRA Score = -5

Allophylus cobbe — High Risk: WRA Score = 9

Alluaudia procera (Madagascar ocotillo, Arbre Pieuvre) — Low Risk: WRA Score = -6

Alnus nepalensis — Low Risk: WRA Score = -2

Alocasia cucullata — High Risk: WRA Score = 9

Alocasia sanderiana — Low Risk: WRA Score = -2

Aloe 'Hercules' (Hercules aloe) — Low Risk: WRA Score = -4

Aloe delphinensis — Low Risk: WRA Score = 2

Aloe hemmingii — Low Risk: WRA Score = 1

Aloe plicatilis (fan aloe) — Low Risk: WRA Score = -6

Aloysia citriodora — Low Risk: WRA Score = 0

Alphitonia excelsa (Cooper's wood, red ash, soaptree, whiteleaf) — High Risk: WRA Score = 5

Alphitonia zizyphoides — Low Risk: WRA Score = 0

Alpinia galanga (false galangal, greater galanga, Thai ginger) — Low Risk: WRA Score = 5

Alpinia hainanensis (cao dou kou) — Low Risk: WRA Score = 4

Alpinia luteocarpa (bamboo ginger, red bamboo ginger) — Low Risk: WRA Score = 4

Alpinia purpurata — Evaluate: WRA Score = 4

Alpinia vittata (variegated ginger) — Low Risk: WRA Score = 3

Alyogyne huegelii (lilac hibiscus) — Low Risk: WRA Score = -2

Alysicarpus vaginalis (alyce clover, buffalo clover, buffalo-bur, one-leaf clover, white moneywort) — High Risk: WRA Score = 14

Amaranthus spinosus (spiny amaranth, spiny pigweed) — High Risk: WRA Score = 20

Ambrosia psilostachya (western ragweed, perennial ragweed) — High Risk: WRA Score = 16

Andropogon glomeratus (bushy bluestem, bushy beard grass) — High Risk: WRA Score = 16

Andropogon virginicus (broomsedge, yellow bluestem, whiskey grass) — High Risk: WRA Score = 22

Annona hypoglauca (wild soursop, majagua de aparo, wild cherimoya) — Low Risk: WRA Score = 2

Annona neosericea (araticum, pinha-de-mata) — Evaluate: WRA Score = 2

Anthoxanthum odoratum (sweet vernalgrass) — High Risk: WRA Score = 14

Aphananthe aspera (mukutree, scabrous aphananthe) — Low Risk: WRA Score = 0

Arenga undulatifolia — Evaluate: WRA Score = 2

Aristolochia elegans (calico flower, elegant Dutchman's pipe) — High Risk: WRA Score = 14

Aristolochia ringens (gaping dutchman's pipe) — High Risk: WRA Score = 8

Aristolochia trilobata (Dutchman's pipe) — Evaluate: WRA Score = 3

Armoracia rusticana — Evaluate: WRA Score = 1

Arnica montana — Low Risk: WRA Score = -1.5

Arthrostemma ciliatum (pinkfringe, everblooming eavender) — High Risk: WRA Score = 10

Artocarpus camansi (breadnut, châtaignier) — Low Risk: WRA Score = 0

Asclepias curassavica — High Risk: WRA Score = 14

Asclepias tuberosa (butterfly milkweed, butterfly weed, pleurisy root) — High Risk: WRA Score = 7

Asplenium antiquum (ō-tani-watari, bird's-nest fern) — Low Risk: WRA Score = 1

Asplenium bulbiferum (hen-and-chickens, mother fern, mother spleenwort) — Low Risk: WRA Score = 4

Astronium lecointei (almendro macho, bolaquiro, miracoatiara) — Low Risk: WRA Score = 0

Avena sativa (common oat) — High Risk: WRA Score = 12

Bambusa vulgaris (common bamboo, golden bamboo) — High Risk: WRA Score = 8

Banisteriopsis caapi — Evaluate: WRA Score = 1

Banksia baxteri (Baxter's banksia, bird's nest banksia) — Low Risk: WRA Score = -2

Banksia quercifolia (oak-leaved Banksia) — Low Risk: WRA Score = -2

Banksia sphaerocarpa (fox banksia, round-fruit Banksia) — Evaluate: WRA Score = 1

Barleria repens — High Risk: WRA Score = 16

Bauhinia variegata (mountain ebony, orchidtree) — High Risk: WRA Score = 8

Begonia cucullata — High Risk: WRA Score = 11

Begonia nelumbiifolia (lilypad begonia, lotus leaved begonia, water lily begonia) — High Risk: WRA Score = 10

Bignonia magnifica — High Risk: WRA Score = 9

Blechnum brasiliense — Evaluate: WRA Score = 6

Blechnum gibbum — Evaluate: WRA Score = 4

Blechnum orientale (centipede fern, Oriental blechnum) — High Risk: WRA Score = 11

Bolusanthus speciosus (wisteria tree, elephant's wood, mogaba, Rhodesian wisteria tree) — Low Risk: WRA Score = -4

Boophone disticha (bushman poison bulb, sore-eye flower) — Low Risk: WRA Score = -3

Bothriochloa ischaemum (yellow bluestem) — High Risk: WRA Score = 19

Brachychiton rupestris (narrow-leaf bottletree, Queensland bottletree, Queensland rattletree) — Evaluate: WRA Score = 1

Brasiliopuntia brasiliensis (Brazilian prickly pear) — High Risk: WRA Score = 7

Brassica carinata (African cabbage, Abyssinian mustard, Ethiopian kale) — Low Risk: WRA Score = 6

Brexia madagascariensis (brexia) — Low Risk: WRA Score = 2

Breynia vitis-idaea (Indian snowberry, mountain coffee bush) — Evaluate: WRA Score = 2

Bromus biebersteinii (cache meadow brome, meadow brome) — Low Risk: WRA Score = 2

Bromus catharticus (prairie grass, rescue grass) — High Risk: WRA Score = 19

Bromus diandrus (ripgut grass, giant brome, great brome) — High Risk: WRA Score = 18

Brownea grandiceps (rose of Venezuela, scarlet flame bean) — Low Risk: WRA Score = -5

Brugmansia arborea (angel's trumpet, angels tears) — Evaluate: WRA Score = 6

Brya ebenus (cocoswood, Jamaican raintree, ebony cocuwood) — Low Risk: WRA Score = 4

Buddleja paniculata (butterfly bush) — High Risk: WRA Score = 7

Bulbostylis capillaris (densetuft hairsedge, threadleaf beakseed, tufted hair-sedge) — High Risk: WRA Score = 9

Burbidgea schizocheila (golden brush, golden ginger, vodoo flame ginger) — Low Risk: WRA Score = -1

Bursera simaruba (gumbo limbo, turpentine tree) — High Risk: WRA Score = 7

bush lily, cape clivia, drooping clivia (Clivia nobilis) — Low Risk: WRA Score = 6

button fern, roundleaf fern (Pellaea rotundifolia) — Low Risk: WRA Score = 5

Caesalpinia coriaria — Evaluate: WRA Score = 6

Calandrinia spectabilis (rock purslane) — Low Risk: WRA Score = 2

Calathea burle-marxii (calathea 'ice blue', ice-blue calathea) — Low Risk: WRA Score = 0

Calathea crotalifera (rattlesnake plant, bijagüillo, hoja blanca) — High Risk: WRA Score = 8

Calathea lutea (cigar calathea, platanillo) — High Risk: WRA Score = 8

Calathea zebrina (zebra plant) — Low Risk: WRA Score = -1

Calliandra haematocephala — Evaluate: WRA Score = 4

Callitris columellaris — Evaluate: WRA Score = 4

Calopogonium mucunoides — High Risk: WRA Score = 16

Calothamnus quadrifidus (one-sided bottlebrush, common net bush) — Evaluate: WRA Score = 6

Calotropis gigantea (crown flower, crownplant, giant-milkweed) — High Risk: WRA Score = 12

Calycophyllum candidissimum (dagame, lemonwood) — Evaluate: WRA Score = 1

Canavalia cathartica (maunaloa, poisonous sea bean, purge vine) — Evaluate: WRA Score = 5

Canavalia gladiata (sword bean, sword jackbean) — Evaluate: WRA Score = 5

Canavalia sericea (silky jackbean) — Evaluate: WRA Score = 2

Caralluma adscendens var. fimbriata (caralluma, kannada, maakada singi) — Low Risk: WRA Score = -2

Carissa macrocarpa — Low Risk: WRA Score = -1

Carmona retusa (synonym for Ehretia microphylla) — High Risk: WRA Score = 7

Castanospermum australe (beantree, Moreton Bay chestnut, Australian chestnut, black bean) — Low Risk: WRA Score = 1

Celtis sinensis (Chinese hackberry, Chinese nettletree, Japanese hackberry) — High Risk: WRA Score = 12

Cenchrus ciliaris — High Risk: WRA Score = 19

Cenchrus elegans (Pacific fountain grass, burgundy giant) — High Risk: WRA Score = 7

Cenchrus longisetus (feathertop, feather grass) — High Risk: WRA Score = 21

Cerastium fontanum (common mouse-ear chickweed) — High Risk: WRA Score = 11.5

Ceratophyllum demersum (common hornwort, coontail) — High Risk: WRA Score = 20

Cereus uruguayanus — High Risk: WRA Score = 10

Chamaedorea ernesti-augusti — Low Risk: WRA Score = -1

Chambeyronia macrocarpa (flame thrower palm, red feather palm) — Low Risk: WRA Score = -3

Chelonanthus alatus (arbol de mal casada, wild tobacco) — High Risk: WRA Score = 7

Chiranthodendron pentadactylon (devil's hand tree, monkey hand tree) — Low Risk: WRA Score = -4

Chloris gayana (Abyssinian Rhodes grass, Rhodes grass) — High Risk: WRA Score = 15

Chlorophytum comosum (spiderplant) — High Risk: WRA Score = 10

Chrysophyllum cainito (star apple, caimito) — Low Risk: WRA Score = 2

Citharexylum caudatum (fiddlewood, juniper berry) — High Risk: WRA Score = 15

Citrus 'Meyer' (Meyer lemon, dwarf lemon) — WRA Score = -10.5

Citrus latifolia (Tahitian lime, Persian lime, Bearss lime) — Low Risk: WRA Score = -12

Cleome gynandra — High Risk: WRA Score = 11

Clerodendrum japonicum (Japanese glory bower) — High Risk: WRA Score = 7

Clerodendrum trichotomum (harlequin glorybower, peanut butter tree, glorytree) — High Risk: WRA Score = 15

Clidemia hirta (Koster's curse) — High Risk: WRA Score = 28

Clinostigma ponapense — Low Risk: WRA Score = -1

Clinostigma samoense — Evaluate: WRA Score = 1

Clivia miniata (bush lily, kaffir lily, Natal lily) — Low Risk: WRA Score = 6

Clivia robusta (bush lily, swamp clivia) — Low Risk: WRA Score = 3

Clusia orthoneura (porcelain flower, pink clusia) — Evaluate: WRA Score = 1

Coccinia grandis (ivy gourd) — High Risk: WRA Score = 21

Coccoloba uvifera (sea grape, platterleaf, Jamaican kino) — High Risk: WRA Score = 7

Collinsia heterophylla — High Risk: WRA Score = 7

Combretum indicum — High Risk: WRA Score = 10

Conocarpus erectus (button mangrove, buttonwood, sea mulberry) — Evaluate: WRA Score = 5

Cordia collococca (clammy cherry, red manjack) — Low Risk: WRA Score = -1

Cordia dichotoma (clammy cherry, glueberry tree, Indian cherry) — High Risk: WRA Score = 9

Cordyline australis (cabbage palm, cabbagetree) — Evaluate: WRA Score = 5

Cordyline banksii (forest cabbage tree, ti ngahere) — Low Risk: WRA Score = 0

Cordyline fruticosa (red ti) — Evaluate: WRA Score = 4

Coreopsis lanceolata — High Risk: WRA Score = 12

Coreopsis tinctoria — High Risk: WRA Score = 4.5

Corymbia ficifolia (red-flowering gum, scarlet-flowering gum, red-flower gum) — Low Risk: WRA Score = 0

Corypha lecomtei — Evaluate: WRA Score = 2

Corypha umbraculifera — Evaluate: WRA Score = 6

Cosmos atrosanguineus (black cosmos, chocolate cosmos) — Low Risk: WRA Score = -5

Cosmos bipinnatus — High Risk: WRA Score = 9

Cosmos sulphureus — High Risk: WRA Score = 9

Costus barbatus (spiral ginger, red tower ginger) — Low Risk: WRA Score = -3

Costus lasius (yellow lollipop) — Low Risk: WRA Score = 1

Costus malortieanus (stepladder ginger, spiral flag) — High Risk: WRA Score = 7

Costus pictus (painted spiral ginger, spotted spiral ginger) — Low Risk: WRA Score = 2

Costus scaber — High Risk: WRA Score = 8

Costus spiralis (spiral costus, spiral ginger) — Low Risk: WRA Score = 0

Cotoneaster pannosus (silverleaf cotoneaster) — High Risk: WRA Score = 11

Crassula arborescens (silver dollar plant, tree crassula) — High Risk: WRA Score = 9

Crotalaria verrucosa (blue rattleweed, blue-flower rattlepod) — High Risk: WRA Score = 10

Cryptomeria japonica — Evaluate: WRA Score = 5

Cucumis metuliferus — High Risk: WRA Score = 11

Cupaniopsis anacardioides (carrotwood, tuckeroo) — High Risk: WRA Score = 10

Curcuma alismatifolia (Siam pearl, Siam tulip) — Low Risk: WRA Score = 1

Curcuma australasica (Cape York lily, native turmeric) — Low Risk: WRA Score = 3

Cussonia arenicola (sand cabbage) — Low Risk: WRA Score = -1

Cyathea dealbata (silver fern, ponga) — Evaluate: WRA Score = 2

Cyclophyllum barbatum — Evaluate: WRA Score = 1

Cymbopogon martini — Low Risk: WRA Score = 5

Cymbopogon winterianus (Burma citronella, Java citronella, Winter's grass) — Low Risk: WRA Score = -5

Cynodon nlemfuensis (African Bermuda grass, star grass) — High Risk: WRA Score = 12

Cynodon plectostachyus (giant star grass, star grass) — High Risk: WRA Score = 15

Cyperus papyrus — High Risk: WRA Score = 20

Cyphostemma juttae (Namibian grape, tree grape, wild grape) — Low Risk: WRA Score = -2

Cyrtomium falcatum (holly fern, house holly fern) — High Risk: WRA Score = 14

Cytisus proliferus var. palmensis (tagasaste, tree-lucerne) — High Risk: WRA Score = 14

Dacrycarpus dacrydioides — Low Risk: WRA Score = 0

Dacrycarpus imbricatus (kajoerapat, kimerah, podocarp) — Evaluate: WRA Score = 5

Dactylis glomerata (orchard grass, barnyard grass) — High Risk: WRA Score = 18

Dalbergia melanoxylon — High Risk: WRA Score = 8

Davallia solida (giant hare's foot fern) — Low Risk: WRA Score = 4

Dendrobium anosmum — Low Risk: WRA Score = 1

Dendrobium antennatum (green antelope orchid) — High Risk: WRA Score = 7

Dendrobium crumenatum (dove orchid, pigeon orchid) — Low Risk: WRA Score = 1

Dendrobium mirbelianum (dark-stemmed antler orchid, mangrove orchid) — Low Risk: WRA Score = 4

Dermatobotrys saundersii (Dermatobotrys) — Low Risk: WRA Score = -3

Derris elliptica (tubaroot) — High Risk: WRA Score = 8

Desmodium incanum (kaimi clover, Spanish clover, tick clover, tick trefoil) - High Risk: WRA Score = 15

Desmodium intortum (beggar lice, green-leaf desmodium, greenleaf tick trefoil) - High Risk: WRA Score = 18

Dicksonia antarctica — High Risk: WRA Score = 11

Dicliptera chinensis — High Risk: WRA Score = 9

Didymochlaena truncatula — Evaluate: WRA Score = 4

Dietes bicolor (African iris, butterfly flag, fortnight lily, peacock flower) — High Risk: WRA Score = 11

Dietes iridioides (fortnight lily, African iris, morea iris) — High Risk: WRA Score = 17

Digitaria eriantha (pangola grass, common finger grass)

Dillenia suffruticosa (shrubby dillenia, shrubby simpoh) — High Risk: WRA Score = 11

Diospyros kaki (kaki, Chinese persimmon, Japanese persimmon) — Low Risk: WRA Score = 2

Dombeya × cayeuxii (Mexican rosetree, pink snowball, pompomtree) — Low Risk: WRA Score = -7

Dracaena reflexa — Low Risk: WRA Score = -1

Ehretia microphylla (fukien tea, Philippine tea) — High Risk: WRA Score = 7

Ehrharta calycina (perennial veldt grass, purple veldtgrass) — High Risk: WRA Score = 18

Ehrharta stipoides (meadow ricegrass, weeping grass) — High Risk: WRA Score = 19

Elaeagnus angustifolia — High Risk: WRA Score = 13

Elephantopus mollis — High Risk: WRA Score = 17

Elephantorrhiza burkei (broad-pod, elephant root) — Low Risk: WRA Score = -1

Epidendrum nocturnum (night scented orchid, night fragrant epidendrum) — Low Risk: WRA Score = 4

Epilobium billardierianum (Aboriginal willowherb, smooth willow herb) — High Risk: WRA Score = 7

Eragrostis barrelieri (Mediterranean love grass, pitted love grass) — High Risk: WRA Score = 11

Eragrostis curvula (African love grass, weeping love grass) — High Risk: WRA Score = 26

Eragrostis tef (tef, teff, Abyssinian love grass) — Evaluate: WRA Score = 5

Erigeron bonariensis (hairy fleabane, Conyza bonariensis) — High Risk: WRA Score = 17

Eriobotrya japonica (loquat) — High Risk: WRA Score = 7

Erodium cicutarium (alfilaria, red stem filaree) — High Risk: WRA Score = 14

Eryngium foetidum (culantro, spiny coriander, fitweed) — High Risk: WRA Score = 15

Erythrina vespertilio (bat-wing coraltree, beantree, grey corkwood) — Low Risk: WRA Score = -4

Erythrina zeyheri (plough breaker, harrow breaker) — Low Risk: WRA Score = 0

Etlingera hemisphaerica — Low Risk: WRA Score = 3

Etlingera littoralis (earth ginger, golden star) — Low Risk: WRA Score = 1

Etlingera megalocheilos (tepus, Etlingera) — Low Risk: WRA Score = 3

Eucalyptus benthamii (Camden white gum, Bentham's gum) — Low Risk: WRA Score = -1

Eucalyptus camaldulensis (Murray red gum, red river gum, river red gum) — High Risk: WRA Score = 14

Eucalyptus nitens (ribbon gum, shining gum, silvertop) Low Risk: WRA Score = 0

Eucalyptus regnans (Australian oak, mountain ash, stringy gum) — Low Risk: WRA Score = -3

Eucalyptus pulchella (white peppermint, narrow-leaf peppermint) — Evaluate: WRA Score = 1

Eucharis amazonica — Low Risk: WRA Score = -1

Eugenia stipitata (araza, araçá-boi) — Low Risk: WRA Score = 0

Euphorbia 'Ascot Rainbow' — Low Risk: WRA Score = -5

Euphorbia 'Blackbird' (blackbird spurge, cushion spurge 'Blackbird') — Low Risk: WRA Score = -5

Euphorbia resinifera (African spurge, Moroccan mound) — Low Risk: WRA Score = 2

Eustoma grandiflorum — Low Risk: WRA Score = 1

Eutrema japonicum (Japanese horseradish, wasabi) — Low Risk: WRA Score = 3

Fatoua villosa (hairy crabweed, mulberry-weed) — High Risk: WRA Score = 9

Festuca ovina (sheep fescue, ovina) — High Risk: WRA Score = 9

Festuca trachyphylla (hard fescue) — Evaluate: WRA Score = 4

Firmiana simplex (Chinese parasol tree, Chinese bottletree, Japanese varnishtree, phoenixtree) — High Risk: WRA Score = 8

Flindersia brayleyana (Queensland maple) - Evaluate: WRA Score = 2

Flueggea virosa (white-berry bush, common bushweed) — High Risk: WRA Score = 7

Frangula alnus — High Risk: WRA Score = 7.5

Freycinetia multiflora (climbing pandanus, flowering pandanus) — Evaluate: WRA Score = 1

Fuchsia boliviana (Bolivian fuchsia) — High Risk: WRA Score = 15

Furcraea foetida (Mauritius hemp, green aloe) — High Risk: WRA Score = 16

Garcinia indica (kokum, kokam, Goa butter) — Low Risk: WRA Score = -2

Garcinia intermedia (lemon drop mangosteen, monkey fruit) — Low Risk: WRA Score = -2

Garcinia livingstonei (imbe, African mangosteen, wild plum) — Low Risk: WRA Score = -1

Gardenia latifolia (Ceylon boxwood, Indian boxwood, tree gardenia) — Low Risk: WRA Score = 0

Gardenia tubifera (golden gardenia) — Low Risk: WRA Score = -1

Gardenia volkensii — Low Risk: WRA Score = -4

Geranium homeanum (Australasian cranesbill, Australasian geranium) — High Risk: WRA Score = 7

Gilia capitata — High Risk: WRA Score = 6.5

Gilia tricolor — Low Risk: WRA Score = 4.5

Gladiolus dalenii (dragon's head lily, parrot lily, sword lily) — High Risk: WRA Score = 8

Globba sherwoodiana (weeping goldsmith, padein gno) — Low Risk: WRA Score = 0

Globba winitii (dancing girls ginger, jungle jewels ginger) — Low Risk: WRA Score = 2

Gloriosa superba (climbing lily, flame lily, creeping lily, glory lily) — High Risk: WRA Score = 17

Glycyrrhiza glabra (licorice, licorice root, liquorice) — High Risk: WRA Score = 11

Goeppertia cylindrica (green ice) — Low Risk: WRA Score -1

Goeppertia makoyana (brainplant, cathedral-windows, peacockplant) — Low Risk: WRA Score = -3

Goeppertia roseopicta (jungle rose, rose-painted calathea) — Low Risk: WRA Score = -1

Gomphocarpus fruticosus — High Risk: WRA Score = 27

Gomphocarpus physocarpus (balloon plant, balloon cottonbush, swanplant) — High Risk: WRA Score = 23

Grevillea robusta (silk oak, Australian silky oak) — High Risk: WRA Score = 8

Guadua angustifolia — Evaluate: WRA Score = 5

Gunnera tinctoria (Chilean rhubarb, giant rhubarb) — High Risk: WRA Score = 12

Gynostemma pentaphyllum (sweet tea vine, jiaogulan) — High Risk: WRA Score = 8

Halleria lucida (tree fuchsia, African honeysuckle, white olive, notsung) — High Risk: WRA Score = 8

Handroanthus serratifolius — Low Risk: WRA Score = 0

Harrisia eriophora (fragrant apple cactus, fragrant prickly apple) — High Risk: WRA Score = 7

Heliconia stricta (small lobster claw, 'Dwarf Jamaican', firebird heliconia) — High Risk: WRA Score = 7

Heliocarpus americanus (moho) — High Risk: WRA Score = 7

Heliocarpus donnellsmithii (majagua, Saint sacrament, jolocin) — High Risk: WRA Score = 8

Heliotropium amplexicaule (blue heliotrope, clasping heliotrope) — High Risk: WRA Score = 20

Hemarthria altissima (limpo grass, swamp couch) — High Risk: WRA Score = 8

Hesperaloe parviflora (hummingbird yucca, red hesperaloe, red yucca) — Low Risk: WRA Score = 2

Heteropterys brachiata (Beechey's withe, redwing) — High Risk: WRA Score = 7

Heteropterys glabra (red wing, mariposa, vining maple) — High Risk: WRA Score = 7

Heterotheca grandiflora — High Risk: WRA Score = 14

Hibiscus cannabinus — Evaluate: WRA Score = 3

Hippophae rhamnoides (sea buckthorn, sallowthorn) — High Risk: WRA Score = 9.5

Holcus lanatus (common velvet grass, Yorkshire fog) — High Risk: WRA Score = 20

Hoodia currorii — Low Risk: WRA Score = -2

Hoodia gordonii — Low Risk: WRA Score = 0

Hoodia juttae — Low Risk: WRA Score = -1

Hoodia officinalis — Low Risk: WRA Score = -2

Hoodia parviflora — Low Risk: WRA Score = 0

Hoodia pilifera — Low Risk: WRA Score = -2

Hoodia ruschii — Low Risk: WRA Score = -2

Hosta sieboldii (narrow-leaved hosta) — Low Risk: WRA Score = 3

Huernia longii (huernia) — Low Risk: WRA Score = 3

Humulus lupulus (common hop, European hop) — High Risk: WRA Score = 8.5

Hydrocharis morsus-ranae (common frogbit, European frog's-bit) — High Risk: WRA Score = 18

Hypochaeris radicata (gosmore, hairy cat's ear, Hypochoeris) — High Risk: WRA Score = 16

Hyptis pectinata (comb hyptis, Mesosphaerum pectinatum) — High Risk: WRA Score = 14

Ilex rotunda — Evaluate: WRA Score = 2

Impatiens glandulifera (Himalayan balsam, ornamental jewelweed, policeman's-helmet) — High Risk: WRA Score = 12

Impatiens sodenii (poor man's Rhododendron, shrub balsam) — High Risk: WRA Score = 11

Imperata cylindrica (cogon grass, Japanese blood grass) — High Risk: WRA Score = 21

Inga jinicuil (ice cream bean, chalahuite) — Low Risk: WRA Score = 1

Johannesteijsmannia altifrons — Low Risk: WRA Score = -1

Juncus polyanthemus (Australian silver rush, manyflower rush) — High Risk: WRA Score = 12

Juniperus conferta — Low Risk: WRA Score = 3

Kalanchoe daigremontiana (devil's backbone, mother of thousands) — High Risk: WRA Score = 24

Kalanchoe delagoensis (chandelier plant, Kalanchoe tubiflora) — High Risk: WRA Score = 19

Kalanchoe gracilipes (kalanchoe, kitchingia) — Low Risk: WRA Score = 0

Kalanchoe pinnata — High Risk: WRA Score = 16

Kalanchoe rotundifolia — High Risk: WRA Score = 10

Kennedia nigricans (black coral-pea, black-bean) — Evaluate: WRA Score = 4

Kigelia africana (sausage tree) — Low Risk: WRA Score = 0

Kummerowia stipulacea (Korean clover, Korean lespedeza) — Low Risk: WRA Score = 2

Lantana montevidensis (trailing lantana, creeping lantana) — High Risk: WRA Score = 25

Lathyrus clymenum (Spanish vetchling, crimson pea) — Low Risk: WRA Score = 3

Laurus nobilis (bay laurel) — Evaluate: WRA Score = 6

Lavandula stoechas (French lavender, Italian lavender) — High Risk: WRA Score = 14.5

Layia platyglossa — Low Risk: WRA Score = 4

Lens culinaris (lentil) — Low Risk: WRA Score = -1.5

Leptospermum polygalifolium (yellow tea tree, tantoon) — High Risk: WRA Score = 15

Leucaena diversifolia — High Risk: WRA Score = 9

Leucanthemum maximum — High Risk: WRA Score = 4.5

Leucospermum conocarpodendron (grey tree pincushion) — Low Risk: WRA Score = -2

Leucospermum cordifolium (red pincushion protea) — Low Risk: WRA Score = -5

Ligustrum japonicum (Japanese privet, wax-leaf privet) — High Risk: WRA Score = 9

Ligustrum lucidum (glossy privet, broadleaf privet, Chinese wax-leaf privet, white waxtree) — High Risk: WRA Score = 19

Ligustrum obtusifolium (border privet, obtuse-leaved privet) — High Risk: WRA Score = 8.5

Ligustrum ovalifolium (California privet, garden privet) — High Risk: WRA Score = 9.5

Ligustrum sinense (Chinese privet, small-leaf privet) — High Risk: WRA Score = 20

Limnobium laevigatum (Amazon frogbit, South American spongeplant) — High Risk: WRA Score = 24

Limnobium spongia (American spongeplant, frog's-bit) — High Risk: WRA Score = 18

Linum flavum (golden flax, yellow flax) — Low Risk: WRA Score = -4

Litsea glutinosa (Indian laurel, brown bollywood, bolly-beech) — High Risk: WRA Score = 7

Lodoicea maldivica — Low Risk: WRA Score = -7

Lolium perenne (perennial ryegrass) — High Risk: WRA Score = 15

Lonchocarpus punctatus (dotted lancepod, lilac tree) — Evaluate: WRA Score = 3

Ludwigia repens (creeping primrosewillow, red ludwigia) — High Risk: WRA Score = 22

Lupinus densiflorus — High Risk: WRA Score = 7

Lupinus succulentus — Low Risk: WRA Score = 3

Macaranga grandifolia (abing-abing, bing-abing, coraltree) — Evaluate: WRA Score = 4

Macrothelypteris torresiana (Mariana maiden fern, Torres's fern, wood fern) — High Risk: WRA Score = 12

Magnolia stellata — Evaluate: WRA Score = 1.5

Magnolia tripetala — Low Risk: WRA Score = 0

Magnolia wilsonii — Low Risk: WRA Score = -3

Majidea zanguebarica (black pearl tree, mgambo tree, velvet seed tree) — Evaluate: WRA Score = 2

Maranta leuconeura (prayer plant, ten-commandments) — Low Risk: WRA Score = 2

Markhamia lutea — High Risk: WRA Score = 5

Marrubium vulgare (horehound, white horehound) — High Risk: WRA Score = 17

Medinilla apoensis (Philippine pink) — High Risk: WRA Score = 7

Melastoma malabathricum (Indian rhododendron, Malabar melastome) — High Risk: WRA Score = 19

Melilotus albus (white sweet clover, honey clover) — High Risk: WRA Score = 23

Millettia pinnata (Indian beech, pongamia) — High Risk: WRA Score = 7

Mimosa caesalpiniifolia (sabiá) — High Risk: WRA Score = 7

Mimosa casta (graceful mimosa, zarza) — High Risk: WRA Score = 16

Mimosa pudica (sensitive plant) — High Risk: WRA Score = 18

Mimosa strigillosa (powderpuff, sunshine mimosa) — High Risk: WRA Score = 9

Mimosa strigillosa (powderpuff, sunshine mimosa) — High Risk: WRA Score = 9

Mimusops elengi — Low Risk: WRA Score = 0

Molineria capitulata (palm grass, weevil lily) — Evaluate: WRA Score = 6

Molineria latifolia (curculigo, lemboh, palm grass, weevil lily) — Low Risk: WRA Score = 1

Mollugo cerviana (slender carpetweed, threadstem carpetweed) — High Risk: WRA Score = 9

Momordica cochinchinensis (gac, giant spine gourd, spiny bitter-cucumber) — Evaluate: WRA Score = 4

Moringa arborea (moringa) — Low Risk: WRA Score = -1

Moringa concanensis (kattumurungai, konkan moringa) — Low Risk: WRA Score = -3

Moringa drouhardii — Low Risk: WRA Score = -3

Moringa hildebrandtii — Low Risk: WRA Score = -2

Moringa longituba (mawe) — Low Risk: WRA Score = -1

Moringa ovalifolia — Low Risk: WRA Score = -2

Moringa peregrina — Low Risk: WRA Score = 0

Morus rubra (red mulberry) — Evaluate: WRA Score = 2

Murraya koenigii (currybush, curryleaf, Indian bay) — High Risk: WRA Score = 9

Nassella cernua (nodding needlegrass, foothill needlegrass) — High Risk: WRA Score = 9

Nasturtium microphyllum (onerow yellowcress) — High Risk: WRA Score = 14

Nelumbo nucifera (East Indian lotus, lotus, sacred lotus) — High Risk: WRA Score = 14

Nemophila maculata — Low Risk: WRA Score = 2

Nemophila menziesii — High Risk: WRA Score = 8

Neomarica gracilis (apostle plant, walking iris) — Low Risk: WRA Score = 4

Neonotonia wightii — High Risk: WRA Score = 16

Nepeta cataria (catnip, catwort, catmint) — High Risk: WRA Score = 9

Neptunia oleracea (sensitive neptunia, water mimosa) — High Risk: WRA Score = 17

Nicotiana glauca (tree tobacco, wild tobacco) — High Risk: WRA Score = 17

Notechidnopsis tessellata (notechidnopsis) — Low Risk: WRA Score = -3

Nymphaea caerulea (blue Egyptian lotus, blue water-lily) — High Risk: WRA Score = 11

Ocotea quixos (American cinnamon, canela americana, ishpingo) — Low Risk: WRA Score = -2

Oenothera stricta subsp. stricta — High Risk: WRA Score = 10

Odontonema callistachyum (firespike, purple firespike) — High Risk: WRA Score = 8

Oldenlandia corymbosa (diamond flower, flat-top mille graines) — High Risk: WRA Score = 16

Opuntia echios (tree prickly-pear, cacto gigante) — Evaluate: WRA Score = 5

Opuntia pubescens (velvet bur cactus, abrojo, chile de perro) — High Risk: WRA Score = 12

Orbea variegata (carrion flower, starfishplant, toadplant) — High Risk: WRA Score = 8

Orchis mascula (early purple orchid) — Low Risk: WRA Score = 3

Orobanche ramosa — High Risk: WRA Score = 14

Oroxylum indicum — Evaluate: WRA Score = 2

Osmoxylon novoguineense (fuzzy wrinkle, miagos bush, old man's hand) — Evaluate: WRA Score = 2

Osteospermum ecklonis (Cape marguerite, Osteospermum 'Asti White', Vanstaden's river daisy) — High Risk: WRA Score = 11

Oxyspora paniculata (bristletips, jian zi mu shu, oxyspora) — High Risk: WRA Score = 11

Pachypodium ambongense (elephant's trunk) — Low Risk: WRA Score = 0

Pachypodium baronii (Baron's clubfoot, red pachypodium) — Low Risk: WRA Score = 0

Pachypodium densiflorum (Madagascar palm) — Low Risk: WRA Score = 1

Pachypodium eburneum (Madagascar palm) — Low Risk: WRA Score = -1

Pachypodium geayi {Madagascar palm) — Low Risk: WRA SCore = -3

Pachypodium horombense (horombe clubfoot, yellow bell pachypodium) — Low Risk: WRA Score = -1

Pachypodium namaquanum (elephant's trunk) — Low Risk: WRA Score = -4

Pachypodium rutenbergianum (boadaka, bontaka, vohely, vontaka) — Low Risk: WRA Score = 2

Pachypodium saundersii (star of the Lundi, kudu lily, rathbonia) — Low Risk: WRA Score = -1

Palisota pynaertii (Palisota pynaertii 'Elizabethae') — Low Risk: WRA Score = 6

Parkia timoriana (tree bean) — Evaluate: WRA Score = 5

Parthenium argentatum (guayule, Mexican-rubber) — Evaluate: WRA Score = 5

Paspalum atratum (atra paspalum, capim-pojuca, pasto pojuca) — High Risk: WRA Score = 8

Passiflora ligularis (sweet granadilla) — High Risk: WRA Score = 16

Paubrasilia echinata (Brazilwood, palo brasil) — Low Risk: WRA Score = -6

Paullinia cupana (guaraná, Brazilian cocoa) — Low Risk: WRA Score = -7

Paullinia yoco (yoco, yoko) — Evaluate: WRA Score = 3

Pelagodoxa henryana — Low Risk: WRA Score = -2

Pelargonium citronellum (citronella pelargonium, lemon-scent pelargonium) — Low Risk: WRA Score = 0

Peniocereus hirschtianus — Evaluate: WRA Score = 4

Pennisetum villosum (synonym of Cenchrus longisetus) — High Risk: WRA Score = 21

Peristrophe speciosa (purple rice plant) — High Risk: WRA Score = 7

Persicaria capitata (pink knotweed, heartweed) — High Risk: WRA Score = 22

Phaius tankervilleae — Low Risk: WRA Score = 5

Philodendron burle-marxii ('Burle Marx' philodendron) — Low Risk: WRA Score = 0

Phoenix reclinata — High Risk: WRA Score = 10

Phoenix sylvestris — Evaluate: WRA Score = 5

Photinia davidiana (photina, Chinese stranvaesia, matchweed) — High Risk: WRA Score = 8

Phleum pratense (timothy grass, meadow cat's tail, timothy) — High Risk: WRA Score = 24

Phyllanthus amarus (black catnip, child pick-a-back, shatterstone) — High Risk: WRA Score = 9

Phyllanthus flexuosus (luo e ye xia zhu) — Evaluate: WRA Score = 2

Phytolacca octandra (inkweed, pokeweed, red inkplant, Southern pokeberry) — High Risk: WRA Score = 19

Picralima nitida (akuamma, ashanti, obéro) — Low Risk: WRA Score = -1

Picris hieracioides (hawkweed, hawkweed oxtongue) — High Risk: WRA Score = 11

Pigafetta filaris — Evaluate: WRA Score = 1

Pilea microphylla (artillery plant, rockweed, gunpowder plant) — High Risk: WRA Score = 18

Pinus caribaea (Caribbean pine, pitch pine) — High Risk: WRA Score = 15

Pinus jeffreyi (Jeffrey pine) — Evaluate: WRA Score = 3

Pinus patula (jelecote pine, Mexican weeping pine) — High Risk: WRA Score = 13

Pinus pinaster (cluster pine, maritime pine) — High Risk: WRA Score = 7

Pinus radiata — High Risk: WRA Score = 9

Piper nigrum (black pepper, white pepper) — Evaluate: WRA Score = 6

Pistia stratiotes (water lettuce, water cabbage) — High Risk: WRA Score = 18

Pittosporum pentandrum (Taiwanese cheesewood) — High Risk: WRA Score = 9

Pittosporum senacia — High Risk: WRA Score = 7

Pityrogramma austroamericana (gold fern, gold-dust fern) — High Risk: WRA Score = 10

Plantago lanceolata — High Risk: WRA Score = 18

Platycerium bifurcatum (common staghorn fern, elkhorn fern) — Evaluate: WRA Score = 4

Platymiscium pinnatum (granadillo, hormigo, Panama redwood) — Low Risk: WRA Score = 0

Plectranthus amboinicus — Low Risk: WRA Score = 4

Plectranthus verticillatus (gossip spurflower, money plant, Swedish ivy) — High Risk: WRA Score = 11

Pluchea carolinensis — High Risk: WRA Score = 16

Poa annua (annual bluegrass, annual meadow grass) — High Risk: WRA Score = 25

Polianthes tuberosa — Low Risk: WRA Score = -9

Polygala myrtifolia (butterfly bush, myrtle leaf milkwort, parrotbush, September bush) — High Risk: WRA Score = 11

Polystachya concreta (great yellow spike orchid, yellow spike orchid) — Low Risk: WRA Score = 4

Populus tremuloides (quaking aspen, trembling aspen) — High Risk" WRA Score = 5

Poranopsis paniculata (bridal bouquet, Christmasvine, snowcreeper) — High Risk: WRA Score = 8

Porophyllum ruderale (papaloquelite, yerba porosa) — High Risk: WRA Score = 8

Pourouma cecropiifolia (Amazon grape, sacha uvillas) — Low Risk: WRA Score = -6

Pouzolzia guineensis (Guinea pouzolzia, loko) — High Risk: WRA Score = 7

Pouzolzia zeylanica (graceful Pouzolz's-bush, wu shui ge) — High Risk: WRA Score = 8

Prestoea acuminata var. montana — Evaluate: WRA Score = 1

Protea compacta (Bot River sugarbush, Bot River protea) — Low Risk: WRA Score = -4

Protea cynaroides (king protea) — Low Risk: WRA Score = -2

Protea eximia (broad leaf sugarbush, duchess protea) — Low Risk: WRA Score = -2

Prumnopitys taxifolia — Low Risk: WRA Score = -5

Prunus campanulata (bellflower cherry, Taiwan cherry) — High Risk: WRA Score = 11

Prunus persica (peach) — Evaluate: WRA Score = 4

Psidium myrtoides (purple cherry guava, purple guava) — High Risk: WRA Score = 7

Psoralea axillaris (psoralea) — Low Risk: WRA Score = 1

Psoralea pinnata (African scurfpea, blue broom, blue pea, dally pine) — High Risk: WRA Score = 9

Psychotria elata (hooker's lips, hot lips, sexy lips) — Low Risk: WRA Score = 0

Pteris vittata — High Risk: WRA Score = 14

Ptisana salicina (king fern, potato fern, para) — Evaluate: WRA Score = 4

Pyracantha angustifolia (narrowleaf firethorn, orange firethorn) — High Risk: WRA Score = 14

Quercus ilex (holm oak, evergreen oak, holly oak) — Evaluate: WRA Score = 4

Quercus suber (cork oak) — Evaluate: WRA Score = 3

Radermachera sinica (China doll, emerald tree, serpent tree) — Evaluate: WRA Score = 4

Rafflesia arnoldii (corpse flower) — Low Risk: WRA Score = -3

Raphanus sativus var. oleiformis (fodder radish, oil radish) — High Risk: WRA Score = 7

Rhopalostylis baueri — Low Risk: WRA Score = -2

Rhynchospora caduca (anglestem beak sedge, beak rush) — High Risk: WRA Score = 11

Richardia scabra (Mexican clover, Florida pusley) — High Risk: WRA Score = 12

Rosmarinus officinalis (rosemary) — Low Risk: WRA Score = 2

Rotheca myricoides (blue butterfly bush, blue glory bower, blue wings, Cambridge bush) — High Risk: WRA Score = 6

Rotheca serrata — Evaluate: WRA Score = 4

Rubus fruticosus (blackberry) — High Risk: WRA Score = 19

Rubus glaucus (Andean blackberry, Andes-berry) — High Risk: WRA Score = 17

Rubus niveus (Ceylon raspberry, hill raspberry, Mysore raspberry) — High Risk: WRA Score = 23

Rubus sieboldii (Molucca raspberry) — High Risk: WRA Score = 12

Rumex acetosella (field sorrel, sheep sorrel) — High Risk: WRA Score = 18

Rytidosperma semiannulare (Tasmanian wallaby grass) — Low Risk: WRA Score = 2.5

Sabal causiarum — Evaluate: WRA Score = 1

Sabal palmetto — Evaluate: WRA Score = 5

Saccharum ravennae (Italian sugarcane, plume grass, ravenna grass) — High Risk: WRA Score = 12

Sagittaria platyphylla — High Risk: WRA Score = 28

Salix cinerea (common sallow, gray sallow, gray willow, pussy willow) — High Risk: WRA Score = 9

Salix nigra — Evaluate" WRA Score = 5

Salix x reichardtii (pussy willow) — Low Risk: WRA Score = 2

Salvia buchananii (Buchanan's sage, fuschia sage, purple autumn sage) — Low Risk: WRA Score = 4

Salvia guaranitica (Salvia 'black and blue') — High Risk: WRA Score = 9

Salvia leucantha (Mexican bush sage) — High Risk: WRA Score = 12

Santalum album — High Risk: WRA Score = 5

Schefflera arboricola (dwarf umbrella tree, miniature schefflera, parasol plant) — High Risk: WRA Score = 11

Schizobasis intricata (climbing onion, losbol) — Low Risk: WRA Score = 1

Schizolobium parahyba (Brazilian firetree, guapiruvu, parica) — High Risk: WRA Score = 7

Schoenoplectus californicus (California bulrush, giant bulrush) — High Risk: WRA Score = 21

Schotia latifolia (bush boer-bean, forest boer-bean) — Evaluate: WRA Score = 1

Selenicereus anthonyanus (fishbone cactus, rick rack cactus, zig-zag cactus) — Evaluate: WRA Score = 2

Senecio sylvaticus (heath groundsel, wood groundsel) — High Risk: WRA Score = 9.5

Senecio vulgaris (common fireweed, common groundsel) — High Risk: WRA Score = 14

Senna italica (dog senna, Italian senna, Senegal senna) — High Risk: WRA Score = 11

Senna pendula (Christmas senna, climbing cassia) — High Risk: WRA Score = 14

Senna polyphylla (desert cassia) Low Risk: WRA Score = 0

Senna septemtrionalis (arsenic bush, smooth senna, kolomona) — High Risk: WRA Score = 17

Sesuvium verrucosum (western purslane) — High Risk: WRA Score = 9

Setaria palmifolia (palm grass, highland pitpit) — High Risk: WRA Score = 22

Shirakiopsis elliptica — Evaluate: WRA Score = 3

Sicana odorifera (casabanana, cassabanana, musk-cucumber) — Evaluate: WRA Score = 2

Sida ciliaris (bracted fanpetals, fringed fanpetals) — High Risk: WRA Score = 7

Silybum marianum (milk thistle, blessed milk thistle) — High Risk: WRA Score = 20.5

Sisyrinchium rosulatum — High Risk: WRA Score = 9

Solanum lasiocarpum (hairy egg plant, hairy nightshade, Solanum ferox) — High Risk: WRA Score = 10

Solanum pseudocapsicum (Jerusalem cherry, false capsicum) — High Risk: WRA Score = 16

Solanum robustum (shrubby nightshade, silverleaf nightshade) — High Risk: WRA Score = 9

Sorbus aucuparia (quickbeam, rowan, rowan berry, mountain ash) — High Risk: WRA Score = 8

Sphaeropteris cooperi — High Risk: WRA Score = 16

Stellaria media (chickweed, stitchwort) — High Risk: WRA Score = 15

Stephania japonica (ivyweed, snake vine, tapevine) — High Risk: WRA Score = 13

Strelitzia juncea (crane flower) — Low Risk: WRA Score = -4

Stromanthe jacquinii (pico de gallo, stromanthe) — Low Risk: WRA Score = 3

Stromanthe sanguinea (stromanthe) — Low Risk: WRA Score = 2

Strychnos spinosa (monkey orange, Kaffir orange, Natal orange) — Low Risk: WRA Score = 4

Syzygium cordatum (water berry, umdoni) — Evaluate: WRA Score = 5

Syzygium grande (sea apple) — High Risk: WRA Score = 8

Syzygium syzygioides (kelat hitam) — Evaluate: WRA Score = 6

Tagetes patula (French marigold) — High Risk: WRA Score = 9

Taraxacum officinale (common dandelion) — High Risk: WRA Score = 20

Terminalia arjuna — Evaluate: WRA Score = 6

Terminalia superba (limba, white afara, shinglewood, white mukonja, Congo walnut) — Low Risk: WRA Score = -2

Tetrapanax papyrifer (rice-paper-plant) — High Risk: WRA Score = 12

Theobroma bicolor (Peruvian cacao, patashte, macambo) — Low Risk: WRA Score = 0

Theobroma cacao (cocoa, cacao) — Low Risk: WRA Score = -2

Thevetia thevetioides (giant thevetia, giant luckynut, cascabel grande) — Low Risk: WRA Score = -1

Tibouchina lepidota — Evaluate: WRA Score = 6

Tibouchina longifolia (long leaf glory tree, white flower tibouchina) — High Risk: WRA Score = 8

Tillandsia bulbosa (bulbous air plant) — Low Risk: WRA Score = 4

Tillandsia ionantha (blushing bride) — Low Risk: WRA Score = 1

Tillandsia usneoides — High Risk: WRA Score = 12

Tillandsia xerographica (xerographic air plant) — Low Risk: WRA Score = -3

Tithonia diversifolia (Mexican sunflower, tree marigold) — High Risk: WRA Score = 23

Tithonia rotundifolia (Mexican sunflower, red sunflower) — High Risk: WRA Score = 15

Torenia asiatica (Ola'a beauty, wishbone flower) — High Risk: WRA Score = 10

Torenia fournieri (bluewings, wishbone flower) — High Risk: WRA Score = 11

Toxicodendron succedaneum — High Risk: WRA Score = 12

Tradescantia fluminensis — High Risk: WRA Score = 17

Tradescantia spathacea — High Risk: WRA Score = 17

Tragopogon porrifolius (goat's beard, salsify, vegetable-oyster) — High Risk: WRA Score = 6.5

Tragus berteronianus — High Risk: WRA Score = 13

Trema orientalis (gunpowder tree, charcoal tree, peach cedar) — High Risk: WRA Score = 10

Trembleya phlogiformis (island glorybush) — Evaluate: WRA Score = 5

Tricyrtis hirta (hairy toad lily) — Low Risk: WRA Score = 3.5

Tridax procumbens (coat buttons, tridax daisy) — High Risk: WRA Score = 15

Trifolium alexandrinum (berseem clover, Egyptian clover) — Low Risk: WRA Score = 2

Trifolium arvense (hare-foot clover, rabbit-foot clover) — High Risk: WRA Score = 13.5

Trifolium incarnatum (crimson clover, Italian clover, carnation clover) — Low Risk: WRA Score = 4.5

Trifolium repens (white clover) — High Risk: WRA Score = 12.5

Trifolium resupinatum (Persian clover, reversed trefoil) — Evaluate: WRA Score = 6

Tripsacum dactyloides (eastern gama grass) — High Risk: WRA Score = 9

Triumfetta semitriloba (burweed, Sacramento-bur) — High Risk: WRA Score = 15

Typha latifolia (common cattail, broadleaf cattail) — High Risk: WRA Score = 29

Ungnadia speciosa (Mexican buckeye, Texas buckeye) — Low Risk: WRA Score = 3

Urena lobata (aramina-plant, bur-mallow, Caesarweed, Congo-jute, pipiri) — High Risk: WRA Score = 16

Urochloa brizantha (palisade grass, bread grass, palisade signal grass) — High Risk: WRA Score = 15

Urochloa decumbens (signal grass, Surinam grass, Basilisk signal grass) — High Risk: WRA Score = 17

Urochloa humidicola [Syn. Brachiaria humidicola] (creeping signal grass, koronivia grass) — High Risk: WRA Score = 10

Urtica dioica (stinging nettle, giant nettle, common nettle) — High Risk: WRA Score = 16

Urtica urens (burning nettle, dwarf nettle, lesser stinging nettle) — High Risk: WRA Score = 11

Vachellia farnesiana (klu, sweet acacia) — High Risk: WRA Score = 14

Verbascum virgatum (twiggy mullein, wand mullein) — High Risk: WRA Score = 9

Verbena litoralis (common verbena, seashore vervain) — High Risk: WRA Score = 15

Verbesina encelioides — High Risk: WRA Score = 21

Veronica plebeia (common speedwell, creeping speedwell) — High Risk: WRA Score = 13

Vicia sativa (common vetch, black-pod vetch, spring vetch) — High Risk: WRA Score = 16

Vicia villosa (hairy vetch, wooly vetch) — High Risk: WRA Score = 11

Vigna luteola (hairy cowpea, deer pea, dalrymple vigna) — High Risk: WRA Score = 12

Vigna radiata (mung bean, golden gram, green gram) — Low Risk: WRA Score = 1

Vigna unguiculata (cowpea, black-eye pea, black-eye bean) — Evaluate: WRA Score = 6

Vinca major (bigleaf periwinkle, greater periwinkle) — High Risk: WRA Score = 12

Vinca minor (common periwinkle, running-myrtle) — High Risk: WRA Score = 8.5

Virgilia divaricata (blossom tree, Cape lilac, tree-in-a-hurry, keurboom) — Low Risk: WRA Score = 0

Vitex gigantea (pechiche, pechichi, tillo blanco) — Evaluate: WRA Score = 1

Vitex lucens — Evaluate: WRA Score = 2

Vitex parviflora — High Risk: WRA Score = 10

Volkameria inermis — High Risk: WRA Score = 8

Vulpia bromoides (brome fescue, silver grass) — High Risk: WRA Score = 18

Wallaceodendron celebicum (banuyo) — Low Risk: WRA Score = -1

Washingtonia robusta (Mexican fan palm, thread palm) — High Risk: WRA Score = 15

Willughbeia angustifolia (pitabu, kubal madu, serapit) — Low Risk: WRA Score = -1

Willughbeia coriacea (Borneo-rubber) — Low Risk: WRA Score = 0

Willughbeia edulis (edible willugbeia) — Evaluate: WRA Score = 1

Wisteria sinensis (Chinese wisteria, Chinese-glycine, zi teng) — High Risk: WRA Score = 9

Withania somnifera (ashwagandha, Indian ginseng, poison gooseberry, winter cherry) — High Risk: WRA Score = 12

Wollemia nobilis (wollemi pine) — Low Risk: WRA Score = -1

Woodwardia orientalis (mother fern, Oriental chain fern) — Low Risk: WRA Score = 3

Woodwardia radicans (chain fern, rooting chainfern) — High Risk: WRA Score = 9

Wrightia religiosa (water jasmine, wild water plum) — Low Risk: WRA Score = 0

Xanthosoma atrovirens — Evaluate: WRA Score = 1

Xanthosoma robustum — Evaluate: WRA Score = 3

Xylosma congesta — Evaluate: WRA Score = 6

Xyris complanata (feathered yellow-eye, yellow-eyed grass, hatpins) — High Risk: WRA Score = 15

Yucca aloifolia — High Risk: WRA Score = 14

Yucca gloriosa (Spanish dagger, palmlilja) — High Risk: WRA Score = 11

Yucca guatemalensis — Low Risk: WRA Score = 6

Zamia furfuracea — Low Risk: WRA Score = -2

Zantedeschia aethiopica — High Risk: WRA Score = 15

Zephyranthes citrina (citron zephyrlily, yellow rain lily) — High Risk: WRA Score = 12

Zeuxine strateumatica (lawn orchid, soldier orchid) — High Risk: WRA Score = 10

Zingiber gramineum (grassy ginger, palm ginger, tennis ball ginger) — Low Risk: WRA Score = 3

Zingiber longipedunculatum (ligun, tubu abang) — Low Risk: WRA Score = 2

Zingiber newmanii (red frogs ginger) — Low Risk: WRA Score = 4

Zingiber ottensii (berseh hitam, bunglai hantu, phlai dam) — Low Risk: WRA Score = 3

Zingiber spectabile — Evaluate: WRA Score = 3

Zingiber zerumbet — Low Risk: WRA Score = -1

Zinnia peruviana — Evaluate: WRA Score = 5

Zizyphus mauritiana — High Risk: WRA Score = 9

Zoysia japonica — Low Risk: WRA Score = 6

Zoysia matrella (Korean grass, Manila grass, temple grass) — High Risk: WRA Score = 7

Zoysia tenuifolia — Low Risk: WRA Score = -2