|
Aloysia citriodora |
3 |
|
Alpinia hainanensis |
3 |
|
Amphilophium aschersonii |
4 |
|
Aspidosperma cuspa |
7 |
|
Aspidosperma pyrifolium |
2 |
|
Cariniana rubra |
2 |
|
Cerbera odollam |
5 |
|
Chamaecrista cotinifolia |
4 |
|
Cochlospermum orinocense |
4 |
|
Combretum latifolium |
4 |
|
Corymbia ferriticola |
1 |
|
Corymbia nesophila |
1 |
|
Couratari macrosperma |
1 |
|
Dipterocarpus intricatus |
1 |
|
Dregea volubilis |
7 |
|
Dysoxylum binectariferum |
2 |
|
Eucalyptus pyrophora |
3 |
|
Eugenia dysenterica |
3 |
|
Excoecaria bussei |
2 |
|
Gardenia latifolia |
7 |
|
Glochidion ferdinandi |
2 |
|
Hakea divaricata |
2 |
|
Himatanthus obovatus |
5 |
|
Isoberlinia angolensis |
4 |
|
Jacaranda cuspidifolia |
4 |
|
Jacaranda macrantha |
2 |
|
Jacaranda puberula |
3 |
|
Kielmeyera lathrophyton |
5 |
|
Kielmeyera marauensis |
4 |
|
Lagerstroemia parviflora |
3 |
|
Lecythis alutacea |
3 |
|
Leucadendron coniferum |
6 |
|
Leucadendron platyspermum |
3 |
|
Leucadendron pubescens |
6 |
|
Leucadendron xanthoconus |
1 |
|
Leucospermum truncatulum |
4 |
|
Magonia pubescens |
3 |
|
Pterospermum acerifolium |
6 |
|
Salvertia convallariodora |
2 |
|
Sapindus emarginatus |
4 |
|
Schefflera macrocarpa |
6 |
|
Schima wallichii |
3 |
|
Schrebera swietenoides |
4 |
|
Spondias pinnata |
5 |
|
Sterculia macrophylla |
4 |
|
Strychnos pseudoquina |
8 |
|
Terminalia paniculata |
6 |
|
Xylomelum pyriforme |
1 |
|
Zollingeria dongnaiensis |
8 |
| African boxthorn |
Lycium ferocissimum |
5 |
| African mile-a-minute |
Mikania cordata |
2 |
| African mustard |
Brassica tournefortii |
2 |
| African rue |
Peganum harmala |
3 |
| alapataco |
Prosopis alpataco |
1 |
| albardon |
Prosopis sericantha |
1 |
| alectra |
Alectra sessiliflora |
1 |
| Alexandrian senna |
Senna alexandrina |
2 |
| alfalfa |
Medicago sativa |
1 |
| alfalfa |
Medicago spp. |
1 |
| alfombrilla |
Drymaria arenarioides |
2 |
| algarobilla |
Prosopis argentina |
3 |
| algarrobilla |
Prosopis humilis |
2 |
| algarrobillo |
Prosopis campestris |
3 |
| algarrobillo |
Prosopis elata |
2 |
| algarrobo paraguayo |
Prosopis hassleri |
2 |
| algarrobo patagonica |
Prosopis denudans |
1 |
| alkali mallow |
Malvella leprosa |
8 |
| alkaliweed |
Cressa truxillensis |
1 |
| Allegheny spurge |
Pachysandra procumbens |
5 |
| alligatorweed |
Alternanthera philoxeroides |
2 |
| allspice |
Pimenta dioica |
4 |
| alpine knapweed |
Centaurea nigrescens |
2 |
| alsike clover |
Trifolium hybridum |
1 |
| American basswood |
Tilia americana |
3 |
| American beech |
Fagus grandifolia |
7 |
| American black nightshade |
Solanum americanum |
6 |
| American bugleweed |
Lycopus americanus |
1 |
| American burnweed |
Erechtites hieraciifolius |
1 |
| American chestnut |
Castanea dentata |
7 |
| American dodder |
Cuscuta americana |
1 |
| American elm |
Ulmus americana |
5 |
| American ginseng |
Panax quinquefolius |
4 |
| American hazelnut |
Corylus americana |
2 |
| American holly |
Ilex opaca |
1 |
| American plum |
Prunus americana |
1 |
| American speedwell |
Veronica americana |
4 |
| American sycamore |
Platanus occidentalis |
5 |
| American yellow rocket |
Barbarea orthoceras |
1 |
| Amur corktree |
Phellodendron amurense |
2 |
| Amur honeysuckle |
Lonicera maackii |
8 |
| Amur maple |
Acer ginnala |
10 |
| Amur peppervine |
Ampelopsis brevipedunculata |
12 |
| anisetree |
Illicium spp. |
3 |
| annual bursage |
Ambrosia acanthicarpa |
4 |
| annual fleabane |
Erigeron annuus |
1 |
| annual marshelder |
Iva annua |
2 |
| annual ragweed |
Ambrosia artemisiifolia var. elatior |
2 |
| annual sowthistle |
Sonchus oleraceus |
7 |
| annual wormwood |
Artemisia annua |
1 |
| annual yellow sweetclover |
Melilotus indicus |
6 |
| anu |
Tropaeolum tuberosum |
2 |
| apple |
Malus domestica |
4 |
| apple mint |
Mentha suaveolens |
1 |
| apple serviceberry |
Amelanchier x grandiflora |
1 |
| apple-of-Peru |
Nicandra physalodes |
3 |
| Argentine screwbean |
Prosopis strombulifera |
1 |
| Arizona walnut |
Juglans major |
1 |
| arrowleaf sida |
Sida rhombifolia |
2 |
| arroyo willow |
Salix lasiolepis |
1 |
| ash |
Fraxinus spp. |
1 |
| Asian nakedwood |
Colubrina asiatica |
5 |
| aspen/poplar |
Populus spp. |
3 |
| aster |
Aster spp. |
1 |
| Athel tamarisk |
Tamarix aphylla |
2 |
| Australian burnweed |
Erechtites minimus |
1 |
| Australian-chestnut |
Castanospermum australe |
1 |
| Australian-pine |
Casuarina equisetifolia |
9 |
| Austrian fieldcress |
Rorippa austriaca |
1 |
| Austrian-brier |
Rosa foetida |
1 |
| autumn-olive |
Elaeagnus umbellata |
11 |
| azalea |
Rhododendron mucronulatum |
1 |
| Aztec marigold |
Tagetes erecta |
2 |
| baby's breath |
Gypsophila paniculata cv. Million Stars |
1 |
| baby's breath |
Gypsophila paniculata cv. New Love |
2 |
| balsamapple |
Momordica charantia |
4 |
| Banks melastoma |
Melastoma malabathricum |
6 |
| baobab tree/ monkey bread tree |
Adansonia digitata |
5 |
| barbe de tigre |
Prosopis kuntzei |
2 |
| barbwire Russian-thistle |
Salsola paulsenii |
2 |
| bay starvine |
Schisandra glabra |
12 |
| bayberry |
Morella pensylvanica |
1 |
| beach tulip-oak |
Heritiera littoralis |
3 |
| beach vitex |
Vitex rotundifolia |
3 |
| bearberry |
Arctostaphylos uva-ursi |
7 |
| beautyberry |
Callicarpa spp. |
1 |
| beech |
Fagus spp. |
1 |
| belah |
Casuarina cristata |
3 |
| Bell's honeysuckle |
Lonicera x bella |
6 |
| bellardia |
Bellardia trixago |
4 |
| bellflower |
Portlandia grandiflora |
3 |
| bellorita |
Erigeron bellioides |
1 |
| Bengal kino |
Butea monosperma |
6 |
| biddy-biddy |
Acaena novae-zelandiae |
2 |
| biennial wormwood |
Artemisia biennis |
2 |
| big chickweed |
Cerastium fontanum ssp. vulgare |
3 |
| big periwinkle |
Vinca major |
2 |
| Bigelow's sneezeweed |
Helenium bigelovii |
6 |
| bignay |
Antidesma bunius |
2 |
| bigseed alfalfa dodder |
Cuscuta indecora var. indecora |
5 |
| bigtooth aspen |
Populus grandidentata |
5 |
| billy buttons |
Pycnosorus globosus |
1 |
| bindweed |
Convolvulus spp. |
1 |
| birdfoot violet |
Viola pedata |
1 |
| birdsfoot trefoil |
Lotus corniculatus |
3 |
| birdsrape mustard |
Brassica rapa |
8 |
| bishops goutweed |
Aegopodium podagraria |
7 |
| bitter lettuce |
Lactuca virosa |
2 |
| bitter mesquite |
Prosopis articulata |
1 |
| bitter orange |
Citrus limetta |
1 |
| bitternut hickory |
Carya cordiformis |
9 |
| bittersweet nightshade |
Solanum dulcamara |
9 |
| black cherry |
Prunus serotina |
4 |
| Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
12 |
| black henbane |
Hyoscyamus niger |
4 |
| black knapweed |
Centaurea nigra |
2 |
| black locust |
Robinia pseudoacacia |
10 |
| black medic |
Medicago lupulina |
7 |
| black mimosa |
Mimosa pigra var. pigra |
1 |
| black mustard |
Brassica nigra |
5 |
| black nightshade |
Solanum nigrum |
7 |
| black oak |
Quercus velutina |
12 |
| black poui |
Jacaranda mimosifolia |
3 |
| black walnut |
Juglans nigra |
6 |
| black-eyed susan |
Rudbeckia hirta |
4 |
| blackgum |
Nyssa sylvatica |
8 |
| blackjack oak |
Quercus marilandica |
28 |
| blackseed plantain |
Plantago rugelii |
2 |
| bladder campion |
Silene latifolia ssp. alba |
3 |
| blessed milkthistle |
Silybum marianum |
4 |
| blue anise sage |
Salvia guaranitica |
1 |
| blue ash |
Fraxinus quadrangulata |
3 |
| blue lettuce |
Lactuca tatarica var. pulchella |
1 |
| blue mistflower |
Conoclinium coelestinum |
1 |
| blue mustard |
Chorispora tenella |
5 |
| blue vervain |
Verbena hastata |
2 |
| blueberry |
Vaccinium spp. |
2 |
| bluets |
Houstonia caerulea |
2 |
| bluewitch nightshade |
Solanum umbelliferum |
5 |
| border privet |
Ligustrum obtusifolium |
4 |
| bouncingbet |
Saponaria officinalis |
1 |
| boxelder |
Acer negundo |
4 |
| branched broomrape |
Orobanche ramosa |
1 |
| Brazilian peppertree |
Schinus terebinthifolius |
2 |
| breadfruit |
Artocarpus altilis |
1 |
| brightblue speedwell |
Veronica serpyllifolia ssp. humifusa |
4 |
| bristly hawksbeard |
Crepis setosa |
2 |
| bristly mallow |
Modiola caroliniana |
3 |
| bristly oxtongue |
Helminthotheca echioides |
1 |
| British yellowhead |
Inula britannica |
9 |
| broadleaf dock |
Rumex obtusifolius |
5 |
| broadleaf filaree |
Erodium botrys |
7 |
| broadleaf forget-me-not |
Myosotis latifolia |
1 |
| broadleaf glandweed |
Parentucellia latifolia |
1 |
| broadleaf plantain |
Plantago major |
17 |
| brown knapweed |
Centaurea jacea |
3 |
| buckhorn plantain |
Plantago coronopus |
3 |
| buckhorn plantain |
Plantago lanceolata |
9 |
| buffalobur |
Solanum rostratum |
13 |
| bull cottonthistle |
Onopordum tauricum |
3 |
| bull mallow |
Malva nicaeensis |
4 |
| bull thistle |
Cirsium vulgare |
15 |
| bur beggarticks |
Bidens tripartita |
4 |
| bur chervil |
Anthriscus caucalis |
7 |
| bur oak |
Quercus macrocarpa |
9 |
| Burma padauk |
Pterocarpus macrocarpus |
2 |
| burning nettle |
Urtica urens |
10 |
| burrobush |
Ambrosia salsola |
5 |
| buttercup oxalis |
Oxalis pes-caprae |
3 |
| butterfly milkweed |
Asclepias tuberosa |
2 |
| butterflybush |
Buddleja davidii |
1 |
| butterflybush |
Buddleja spp. |
1 |
| butternut |
Juglans cinerea |
5 |
| buttonbush |
Cephalanthus occidentalis |
1 |
| cabbage |
Brassica oleracea var. capitata |
1 |
| cacao |
Theobroma cacao |
3 |
| Caesarweed |
Urena lobata |
1 |
| calden |
Prosopis caldenia |
4 |
| California amaranth |
Amaranthus californicus |
4 |
| California blackberry |
Rubus ursinus |
4 |
| California broomrape |
Orobanche californica |
1 |
| California burclover |
Medicago polymorpha |
3 |
| California cottonrose |
Logfia filaginoides |
5 |
| California loosestrife |
Lythrum californicum |
1 |
| California mugwort |
Artemisia douglasiana |
1 |
| California nettle |
Urtica dioica ssp. gracilis |
2 |
| California privet |
Ligustrum ovalifolium |
1 |
| Callery pear (Bradford pear) |
Pyrus calleryana |
3 |
| camellia |
Camellia spp. |
1 |
| camphorweed |
Heterotheca subaxillaris |
1 |
| Canada goldenrod |
Solidago canadensis |
2 |
| Canada thistle |
Cirsium arvense |
16 |
| canyon dodder |
Cuscuta subinclusa |
5 |
| cape ivy |
Delairea odorata |
1 |
| Cape jasmine |
Gardenia jasminoides |
1 |
| capeweed |
Arctotheca calendula |
9 |
| cardinalflower |
Lobelia cardinalis |
1 |
| cardoon |
Cynara cardunculus |
4 |
| carnation |
Dianthus spp. |
3 |
| Carolina buckthorn |
Frangula caroliniana |
3 |
| Carolina geranium |
Geranium carolinianum |
4 |
| Carolina puccoon |
Lithospermum caroliniense |
1 |
| carpetweed |
Mollugo verticillata |
5 |
| carrotwood |
Cupaniopsis anacardioides |
5 |
| cassia |
Cinnamomum aromaticum |
3 |
| Catawba rosebay |
Rhododendron catawbiense |
1 |
| catchweed bedstraw |
Galium aparine |
9 |
| catclaw mimosa |
Mimosa pellita |
1 |
| catnip |
Nepeta cataria |
2 |
| celandine poppy |
Stylophorum diphyllum |
1 |
| chamber bitter |
Phyllanthus urinaria |
1 |
| chamelaucium |
Chamelaucium spp. |
1 |
| chaparral dodder |
Cuscuta californica |
3 |
| cheddar pink |
Dianthus gratianapolitanus |
2 |
| cherry plum |
Prunus cerasifera |
5 |
| cherrybark oak |
Quercus pagoda |
8 |
| chestnut oak |
Quercus prinus |
8 |
| chicory |
Cichorium intybus |
5 |
| chinaberry |
Melia azedarach |
12 |
| Chinese caps |
Euphorbia crenulata |
4 |
| Chinese crab apple |
Malus hupehensis |
1 |
| Chinese elm |
Ulmus parvifolia |
1 |
| Chinese fringe-bush |
Loropetalum chinense |
1 |
| Chinese parasoltree |
Firmiana simplex |
1 |
| Chinese privet |
Ligustrum sinense |
3 |
| Chinese tallowtree |
Triadica sebifera |
6 |
| Chinese thorn-apple |
Datura quercifolia |
4 |
| Chinese wisteria |
Wisteria sinensis |
2 |
| Chinese witch-hazel |
Hamamelis mollis |
2 |
| chinkapin oak |
Quercus muehlenbergii |
1 |
| chocolate vine |
Akebia quinata |
6 |
| churqui |
Prosopis ferox |
4 |
| clasping heliotrope |
Heliotropium amplexicaule |
1 |
| clasping pepperweed |
Lepidium perfoliatum |
2 |
| Clayton's sweetroot |
Osmorhiza claytonii |
3 |
| cleyera |
Cleyera spp. |
1 |
| climbing aster |
Ampelaster carolinianus |
1 |
| climbing hydrangea |
Hydrangea anomala ssp. petiolaris |
1 |
| clove |
Syzygium aromaticum |
2 |
| cluster dock |
Rumex conglomeratus |
7 |
| coast banksia |
Banksia integrifolia |
1 |
| coat buttons |
Tridax procumbens |
2 |
| coltsfoot |
Tussilago farfara |
10 |
| common beet |
Beta vulgaris |
1 |
| common burdock |
Arctium minus |
2 |
| common chickweed |
Stellaria media |
9 |
| common chickweed |
Stellaria pallida |
1 |
| common cocklebur |
Xanthium strumarium |
10 |
| common comfrey |
Symphytum officinale |
3 |
| common crupina |
Crupina vulgaris |
2 |
| common dodder |
Cuscuta campestris |
5 |
| common evening-primrose |
Oenothera biennis |
1 |
| common fiddleneck |
Amsinckia menziesii var. intermedia |
4 |
| common flax |
Linum usitatissimum |
2 |
| common globe amaranth |
Gomphrena globosa |
4 |
| common groundsel |
Senecio vulgaris |
8 |
| common hackberry |
Celtis occidentalis |
3 |
| common horse chestnut |
Aesculus hippocastanum |
1 |
| common lespedeza |
Kummerowia striata |
1 |
| common lilac |
Syringa vulgaris |
2 |
| common mallow |
Malva neglecta |
12 |
| common milkweed |
Asclepias syriaca |
1 |
| common mullein |
Verbascum thapsus |
9 |
| common ninebark |
Physocarpus opulifolius |
1 |
| common periwinkle |
Vinca minor |
11 |
| common pokeweed |
Phytolacca americana |
5 |
| common purslane |
Portulaca oleracea |
18 |
| common ragweed |
Ambrosia artemisiifolia |
3 |
| common salsify |
Tragopogon porrifolius |
1 |
| common sunflower |
Helianthus annuus |
9 |
| common tansy |
Tanacetum vulgare |
3 |
| common tarweed |
Centromadia pungens |
6 |
| common teasel |
Dipsacus fullonum |
6 |
| common valerian |
Valeriana officinalis |
7 |
| common winterberry |
Ilex verticillata |
1 |
| common yarrow |
Achillea millefolium |
10 |
| compassplant |
Silphium laciniatum |
3 |
| coneflower |
Rudbeckia hirta cv. Cherokee Sunset |
1 |
| coneflower |
Rudbeckia hirta cv. Indian Summer |
1 |
| coneflowers |
Echinacea spp. |
7 |
| Contura Creek sandmat |
Euphorbia ocellata |
5 |
| Cooley's meadow-rue |
Thalictrum cooleyi |
11 |
| coral ardisia |
Ardisia crenata |
3 |
| coral gum |
Eucalyptus torquata |
3 |
| corkscrew willow |
Salix matsudana |
3 |
| corn buttercup |
Ranunculus arvensis |
2 |
| corn chamomile |
Anthemis arvensis |
1 |
| corn speedwell |
Veronica arvensis |
7 |
| corn spurry |
Spergula arvensis |
7 |
| Cornelian cherry dogwood |
Cornus mas |
1 |
| cornflower |
Centaurea cyanus |
3 |
| Cornish mallow |
Lavatera cretica |
5 |
| cotton |
Gossypium hirsutum |
6 |
| cottonbatting plant |
Pseudognaphalium stramineum |
5 |
| Coulter's horseweed |
Laennecia coulteri |
3 |
| cowpea |
Vigna unguiculata |
1 |
| coyote tobacco |
Nicotiana attenuata |
1 |
| coyote willow |
Salix exigua |
2 |
| crabapple |
Malus x scheideckeri |
1 |
| crabapple and apple |
Malus spp. |
31 |
| cranberry cotoneaster |
Cotoneaster apiculatus |
1 |
| crapemyrtle |
Lagerstroemia indica |
4 |
| creeping buttercup |
Ranunculus repens |
9 |
| creeping phlox |
Phlox stolonifera |
3 |
| creeping raspberry |
Rubus pentalobus |
1 |
| creeping spurge |
Euphorbia serpens |
4 |
| creeping waterprimrose |
Ludwigia peploides |
3 |
| creeping woodsorrel |
Oxalis corniculata |
9 |
| cressleaf groundsel |
Packera glabella |
3 |
| crested bunias |
Bunias erucago |
1 |
| crested floating heart |
Nymphoides cristata |
2 |
| crested latesummer mint |
Elsholtzia ciliata |
6 |
| crimson pitcherplant |
Sarracenia leucophylla |
10 |
| crimson woodsorrel |
Oxalis incarnata |
1 |
| crimsoneyed rosemallow |
Hibiscus moscheutos |
1 |
| croftonweed |
Ageratina adenophora |
3 |
| crow's nest ash |
Flindersia australis |
2 |
| crownvetch |
Securigera varia |
2 |
| crupina |
Crupina crupinastrum |
1 |
| crystalline iceplant |
Mesembryanthemum crystallinum |
1 |
| cucurbits |
|
2 |
| cultivated knotweed |
Persicaria wallichii |
3 |
| cup rosinweed |
Silphium perfoliatum |
6 |
| curly dock |
Rumex crispus |
7 |
| curlycup gumweed |
Grindelia squarrosa |
1 |
| curvepod yellowcress |
Rorippa curvisiliqua |
5 |
| cutleaf blackberry |
Rubus laciniatus |
2 |
| cutleaf burnweed |
Erechtites glomeratus |
2 |
| cutleaf coneflower |
Rudbeckia laciniata |
1 |
| cutleaf evening-primrose |
Oenothera laciniata |
7 |
| cutleaf geranium |
Geranium dissectum |
10 |
| cutleaf groundcherry |
Physalis lancifolia |
4 |
| cutleaf nightshade |
Solanum triflorum |
6 |
| cutleaf teasel |
Dipsacus laciniatus |
3 |
| cutleaf toothwort |
Cardamine concatenata |
1 |
| cypress spurge |
Euphorbia cyparissias |
5 |
| cypressvine morningglory |
Ipomoea quamoclit |
6 |
| dahlia |
Dahlia spp. |
2 |
| Dalmatian toadflax |
Linaria dalmatica |
9 |
| dalmatian toadflax |
Linaria dalmatica ssp. dalmatica |
10 |
| damesrocket |
Hesperis matronalis |
5 |
| dandelion |
Taraxacum officinale |
12 |
| dense blazing star |
Liatris spicata |
1 |
| dense mistletoe |
Phoradendron densum |
1 |
| Deptford pink |
Dianthus armeria |
3 |
| desert milkweed |
Asclepias erosa |
3 |
| desertbroom |
Baccharis sarothroides |
4 |
| devil's walkingstick |
Aralia spinosa |
10 |
| devil's-claw |
Proboscidea louisianica |
4 |
| devils beggarticks |
Bidens frondosa |
4 |
| diffuse knapweed |
Centaurea diffusa |
2 |
| diospyros |
Diospyros spp. |
1 |
| dodder |
Cuscuta spp. |
1 |
| dog rose |
Rosa canina |
4 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
10 |
| dotted smartweed |
Persicaria punctata |
6 |
| doubleclaw |
Proboscidea parviflora |
2 |
| doubtful knight's-spur |
Consolida ajacis |
3 |
| Douglas fiddleneck |
Amsinckia douglasiana |
4 |
| Douglas' meadowfoam |
Limnanthes douglasii |
2 |
| dovefoot geranium |
Geranium molle |
4 |
| downy hawthorn |
Crataegus mollis |
1 |
| drug fumitory |
Fumaria officinalis |
3 |
| Drummond's beeblossom |
Gaura drummondii |
4 |
| dutchman's breeches |
Dicentra cucullaria |
1 |
| dwarf honeysuckle |
Lonicera xylosteum |
5 |
| dwarf larkspur |
Delphinium tricorne |
1 |
| dwarf St. Johnswort |
Hypericum mutilum |
1 |
| dwarf sumac |
Rhus copallinum |
4 |
| dwarf witchalder |
Fothergilla gardenii |
6 |
| Dyer's woad |
Isatis tinctoria |
1 |
| earleaf acacia |
Acacia auriculiformis |
4 |
| earleaf nightshade |
Solanum mauritianum |
4 |
| early wintercress |
Barbarea verna |
1 |
| East Indian screwtree |
Helicteres isora |
5 |
| eastern cottonwood |
Populus deltoides |
4 |
| eastern false rue anemone |
Enemion biternatum |
2 |
| eastern poison-ivy |
Toxicodendron radicans |
1 |
| eastern redbud |
Cercis canadensis |
1 |
| Eastwood's fiddleneck |
Amsinckia eastwoodiae |
6 |
| eben tree |
Dacryodes edulis |
1 |
| edible fig |
Ficus carica |
3 |
| Egyptian Thorn |
Acacia nilotica |
2 |
| elf orpine |
Diamorpha smallii |
7 |
| elmleaf blackberry |
Rubus ulmifolius |
2 |
| English catchfly |
Silene gallica |
6 |
| English hawthorn |
Crataegus monogyna |
5 |
| English holly |
Ilex aquifolium |
1 |
| English ivy |
Hedera helix |
9 |
| English violet |
Viola odorata |
1 |
| Ethiopian nightshade |
Solanum aethiopicum |
3 |
| eucalyptus |
Eucalyptus conferruminata |
1 |
| Eurasian watermilfoil |
Myriophyllum spicatum |
5 |
| European alder |
Alnus glutinosa |
6 |
| European barberry |
Berberis vulgaris |
7 |
| European beech |
Fagus sylvatica |
1 |
| European bird cherry |
Prunus padus |
3 |
| European buckthorn |
Rhamnus cathartica |
9 |
| European bugleweed |
Lycopus europaeus |
1 |
| European heliotrope |
Heliotropium europaeum |
1 |
| European mistletoe |
Viscum album |
2 |
| European mountain-ash |
Sorbus aucuparia |
3 |
| European pasqueflower |
Pulsatilla vulgaris |
1 |
| European privet |
Ligustrum vulgare |
10 |
| European smoketree |
Cotinus coggygria |
1 |
| European spindletree |
Euonymus europaeus |
1 |
| European waterstarwort |
Callitriche stagnalis |
6 |
| European white birch |
Betula pendula |
3 |
| evergreen candytuft |
Iberis sempervirens |
1 |
| false chamomile |
Tripleurospermum perforatum |
2 |
| false poison sumac |
Rhus michauxii |
12 |
| fanwort |
Cabomba caroliniana |
4 |
| featherleaf pepperweed |
Lepidium pinnatifidum |
1 |
| fennel |
Foeniculum vulgare |
5 |
| feverfew |
Tanacetum parthenium |
6 |
| fiddleleaf dock |
Rumex pulcher |
2 |
| field bindweed |
Convolvulus arvensis |
5 |
| field madder |
Sherardia arvensis |
3 |
| field pansy |
Viola bicolor |
2 |
| field pennycress |
Thlaspi arvense |
12 |
| field pepperweed |
Lepidium campestre |
5 |
| finger hakea |
Hakea dactyloides |
3 |
| fire pink |
Silene virginica |
3 |
| fireweed |
Chamerion angustifolium |
2 |
| Fitch's tarweed |
Hemizonia fitchii |
1 |
| fivehook bassia |
Bassia hyssopifolia |
2 |
| flixweed |
Descurainia sophia |
6 |
| flowering dogwood |
Cornus florida |
9 |
| forked green fiddleneck |
Amsinckia vernicosa var. furcata |
3 |
| Fortune's osmanthus |
Osmanthus x fortunei |
2 |
| foxglove |
Digitalis purpurea |
4 |
| fragrant waterlily |
Nymphaea odorata |
2 |
| Freeman maple |
Acer x freemanii |
1 |
| fringed willowherb |
Epilobium ciliatum ssp. ciliatum |
5 |
| fringed willowherb |
Epilobium ciliatum ssp. watsonii |
1 |
| fuchsia gum |
Eucalyptus forrestiana |
2 |
| Fuller's teasel |
Dipsacus sativus |
1 |
| fumitory |
Fumaria spp. |
1 |
| Gambel oak |
Quercus gambelii |
3 |
| garcinia |
Garcinia kola |
4 |
| garden loosestrife |
Lysimachia vulgaris |
4 |
| garden orach |
Atriplex hortensis |
1 |
| garden vetch |
Vicia sativa ssp. nigra |
5 |
| garlic mustard |
Alliaria petiolata |
19 |
| Georgia aster |
Symphyotrichum georgianum |
2 |
| Georgia plume |
Elliottia racemosa |
2 |
| Geraldton carnation weed |
Euphorbia terracina |
4 |
| germander speedwell |
Veronica chamaedrys |
1 |
| giant hogweed |
Heracleum mantegazzianum |
14 |
| giant mealie witchweed |
Striga forbesii |
1 |
| giant milkweed |
Calotropis gigantea |
8 |
| giant ragweed |
Ambrosia trifida |
2 |
| giant sensitiveplant |
Mimosa diplotricha |
3 |
| globe amaranth |
Gomphrena spp. |
4 |
| globethistle |
Echinops spp. |
3 |
| glossy buckthorn |
Frangula alnus |
9 |
| glossy privet |
Ligustrum lucidum |
3 |
| goatsrue |
Galega officinalis |
3 |
| golden everlasting |
Xerochrysum bracteatum |
4 |
| golden tickseed |
Coreopsis tinctoria var. tinctoria |
1 |
| goldenrain tree |
Koelreuteria paniculata |
1 |
| goldenrod |
Solidago spp. (hybrid) |
1 |
| goldenseal |
Hydrastis canadensis |
2 |
| Goodding's willow |
Salix gooddingii |
1 |
| gorse |
Ulex europaeus |
1 |
| gray dogwood |
Cornus racemosa |
1 |
| gray honeymyrtle |
Melaleuca incana |
1 |
| great blue lobelia |
Lobelia siphilitica |
3 |
| Great Valley gumweed |
Grindelia camporum var. camporum |
1 |
| greater ammi |
Ammi majus |
2 |
| greater celandine |
Chelidonium majus |
6 |
| greater fringed gentian |
Gentianopsis crinita |
9 |
| green ash |
Fraxinus pennsylvanica |
2 |
| green fiddleneck |
Amsinckia vernicosa |
1 |
| green fiddleneck |
Amsinckia vernicosa var. vernicosa |
1 |
| green pitcherplant |
Sarracenia oreophila |
11 |
| ground ivy |
Glechoma hederacea |
6 |
| grumichama |
Eugenia brasiliensis |
1 |
| guava |
Psidium guajava |
5 |
| gungurra |
Eucalyptus caesia |
4 |
| Guyandotte beauty |
Synandra hispidula |
1 |
| hairy beggarticks |
Bidens pilosa |
1 |
| hairy buttercup |
Ranunculus sardous |
4 |
| hairy cat's ear |
Hypochaeris radicata |
7 |
| hairy catchfly |
Silene dichotoma |
2 |
| hairy fleabane |
Conyza bonariensis |
7 |
| hairy galinsoga |
Galinsoga ciliata |
3 |
| hairy galinsoga |
Galinsoga quadriradiata |
2 |
| hairy nightshade |
Solanum physalifolium |
9 |
| hairy nightshade |
Solanum villosum |
2 |
| hairy purslane speedwell |
Veronica peregrina ssp. xalapensis |
3 |
| hairy vetch |
Vicia villosa |
2 |
| hairy whitetop |
Cardaria pubescens |
1 |
| hairy willowherb |
Epilobium hirsutum |
7 |
| hairypod cowpea |
Vigna luteola |
7 |
| halogeton |
Halogeton glomeratus |
2 |
| harbinger of spring |
Erigenia bulbosa |
1 |
| hazel sterculia |
Sterculia foetida |
3 |
| heartleaf |
Hexastylis spp. |
1 |
| hedge bindweed |
Calystegia sepium |
5 |
| hedge mustard |
Sisymbrium officinale |
9 |
| hedgeparsley |
Torilis arvensis |
7 |
| hemp dogbane |
Apocynum cannabinum |
7 |
| hemp sesbania |
Sesbania exaltata |
5 |
| henbit |
Lamium amplexicaule |
11 |
| hepatica |
Hepatica nobilis |
2 |
| herb-robert |
Geranium robertianum |
3 |
| high mallow |
Malva sylvestris |
4 |
| hillyhock |
Callaeum macropterum |
2 |
| Himalaya blackberry |
Rubus armeniacus |
2 |
| hoary cress |
Lepidium draba |
2 |
| holly oak |
Quercus ilex |
4 |
| Honduras mahogany |
Swietenia macrophylla |
12 |
| honeylocust |
Gleditsia triacanthos |
4 |
| honeyvine swallowwort |
Cynanchum laeve |
5 |
| hooded pitcherplant |
Sarracenia minor |
3 |
| Hooker's evening primrose |
Oenothera elata ssp. hookeri |
4 |
| hophornbeam |
Ostrya virginiana |
1 |
| hophornbeam copperleaf |
Acalypha ostryifolia |
1 |
| hoptree |
Ptelea trifoliata |
6 |
| horehound |
Marrubium peregrinum |
1 |
| horehound |
Marrubium spp. |
1 |
| horse purslane |
Trianthema portulacastrum |
3 |
| horse thistle |
Onopordum acaulon |
4 |
| horsenettle |
Solanum carolinense |
13 |
| horseweed |
Conyza canadensis |
13 |
| houndstongue |
Cynoglossum officinale |
2 |
| hyssop loosestrife |
Lythrum hyssopifolium |
2 |
| ice cream bean |
Inga edulis |
1 |
| Illyrian cottonthistle |
Onopordum illyricum |
3 |
| Indian bael |
Aegle marmelos |
11 |
| Indian mustard |
Brassica juncea |
5 |
| Indian rattlebox |
Crotalaria assamica |
1 |
| Indian tobacco |
Nicotiana quadrivalvis |
3 |
| Indian-redwood |
Soymida febrifuga |
12 |
| Indiantobacco |
Lobelia inflata |
1 |
| indigobush |
Amorpha fruticosa |
4 |
| Italian plumeless thistle |
Carduus pycnocephalus |
2 |
| ivyleaf morningglory |
Ipomoea hederacea |
15 |
| Japanese barberry |
Berberis thunbergii |
15 |
| Japanese dodder |
Cuscuta japonica |
6 |
| Japanese hedgeparsley |
Torilis japonica |
7 |
| Japanese honeysuckle |
Lonicera japonica |
13 |
| Japanese hop |
Humulus japonicus |
5 |
| Japanese hornbeam |
Carpinus japonica |
1 |
| Japanese knotweed |
Fallopia japonica |
17 |
| Japanese maple |
Acer palmatum |
2 |
| Japanese pieris |
Pieris japonica |
1 |
| Japanese privet |
Ligustrum japonicum |
1 |
| Japanese spiraea |
Spiraea japonica |
4 |
| Japanese thistle |
Cirsium japonicum |
1 |
| Jersey cudweed |
Pseudognaphalium luteoalbum |
5 |
| Jerusalem artichoke |
Helianthus tuberosus |
3 |
| Jerusalem-oak goosefoot |
Chenopodium botrys |
2 |
| Jeruselem thorn |
Paliurus spina-christi |
6 |
| jetbead |
Rhodotypos scandens |
2 |
| jewelweed |
Impatiens capensis |
3 |
| Jewish plum |
Spondias dulcis |
2 |
| jimsonweed |
Datura stramonium |
17 |
| Johnston's seaheath |
Frankenia johnstonii |
9 |
| juniper mistletoe |
Phoradendron juniperinum |
2 |
| karanda |
Carissa carandas |
3 |
| Kellogg's tarweed |
Deinandra kelloggii |
5 |
| Kentucky coffeetree |
Gymnocladus dioicus |
11 |
| Kentucky yellowwood |
Cladrastis kentukea |
7 |
| Kern tarweed |
Deinandra pallida |
6 |
| Kerner's dock |
Rumex kerneri |
5 |
| kiawe |
Prosopis pallida |
2 |
| kidneyleaf grass of Parnassus |
Parnassia asarifolia |
6 |
| knotted hedgeparsley |
Torilis nodosa |
8 |
| knotweed |
Polygonum spp. |
5 |
| Korean lespedeza |
Kummerowia stipulacea |
5 |
| Kousa dogwood |
Cornus kousa |
2 |
| Kousa dogwood variety |
Cornus kousa var. chinensis |
1 |
| kudzu |
Pueraria montana var. lobata |
5 |
| kudzu |
Pueraria spp. |
1 |
| kumquat |
Fortunella spp. |
1 |
| ladies' tobacco |
Pseudognaphalium californicum |
5 |
| lady's-mantle |
Alchemilla mollis |
1 |
| ladysthumb |
Persicaria maculosa |
12 |
| lagerstroemia |
Lagerstroemia spp. |
1 |
| Lamarck's bedstraw |
Galium divaricatum |
4 |
| lambsquarters |
Chenopodium album |
12 |
| lanceleaf violet |
Viola lanceolata |
1 |
| lantana |
Lantana spp. |
2 |
| largeflower heartleaf |
Hexastylis shuttleworthii var. harperi |
1 |
| largeflower valerian |
Valeriana pauciflora |
4 |
| largeleaf waterleaf |
Hydrophyllum macrophyllum |
1 |
| larkspur |
Delphinium spp. (hybrid) |
2 |
| lata |
Prosopis torquata |
5 |
| lavandin |
Lavandula x intermedia |
10 |
| leafy spurge |
Euphorbia esula |
13 |
| Leavenworth's eryngo |
Eryngium leavenworthii |
4 |
| lemon-flower gum |
Eucalyptus woodwardii |
1 |
| lesser celandine, fig buttercup |
Ficaria verna |
6 |
| limber pine dwarf mistletoe |
Arceuthobium cyanocarpum |
1 |
| limnophila |
Limnophila sessiliflora |
3 |
| linden |
Tilia spp. |
2 |
| little mallow |
Malva parviflora |
11 |
| little western bittercress |
Cardamine oligosperma |
1 |
| live oak |
Quercus virginiana |
3 |
| lluvia de orquideas |
Congea tomentosa |
5 |
| Loebner's magnolia |
Magnolia x loebneri |
1 |
| London planetree |
Platanus hybrida |
6 |
| London rocket |
Sisymbrium irio |
5 |
| long-fruited mucuna |
Mucuna macrocarpa |
2 |
| longroot smartweed |
Polygonum amphibium var. emersum |
2 |
| looseflower water-willow |
Justicia ovata var. lanceolata |
1 |
| Louisiana wormwood |
Artemisia ludoviciana |
2 |
| love-lies-bleeding |
Amaranthus caudatus |
1 |
| low amaranth |
Amaranthus deflexus |
1 |
| lucuma |
Pouteria obovata |
5 |
| maca |
Lepidium meyenii |
1 |
| Madagascar ragwort |
Senecio madagascariensis |
5 |
| magnolia |
Magnolia spp. |
1 |
| Malabar kino |
Pterocarpus marsupium |
8 |
| Malta starthistle |
Centaurea melitensis |
5 |
| mangosteen |
Garcinia mangostana |
3 |
| manyflower tobacco |
Nicotiana acuminata var. multiflora |
4 |
| maple |
Acer spp. |
2 |
| mapleleaf viburnum |
Viburnum acerifolium |
2 |
| margaritaria |
Margaritaria discoidea |
1 |
| marijuana |
Cannabis sativa |
1 |
| marsdenia |
Marsdenia spp. |
4 |
| marsh yellowcress |
Rorippa palustris |
7 |
| marshpepper smartweed |
Polygonum hydropiper |
3 |
| mastuerzo |
Prosopis reptans reptans |
2 |
| matrimony vine |
Lycium barbarum |
3 |
| mayapple |
Podophyllum peltatum |
1 |
| meadow campion |
Silene flos-cuculi |
4 |
| Mediterranean rocket |
Sisymbrium erysimoides |
1 |
| Mediterranean sage |
Salvia aethiopis |
5 |
| Mediterranean saltwort |
Salsola vermiculata |
6 |
| melaleuca |
Melaleuca quinquenervia |
6 |
| Menzies' fiddleneck |
Amsinckia menziesii |
5 |
| mesquite |
Prosopis castellanosii |
3 |
| mesquite |
Prosopis fiebrigii |
2 |
| mesquite |
Prosopis rojasiana |
5 |
| mesquite |
Prosopis ruizlealii |
3 |
| Mexican fireweed |
Kochia scoparia |
13 |
| Mexican waterlily |
Nymphaea mexicana |
1 |
| Mexican whorled milkweed |
Asclepias fascicularis |
6 |
| mexicantea |
Dysphania ambrosioides |
2 |
| midnight horror |
Oroxylum indicum |
6 |
| mile-a-minute |
Mikania micrantha |
2 |
| mile-a-minute weed |
Persicaria perfoliata |
8 |
| milkflower cotoneaster |
Cotoneaster coriaceus |
2 |
| miner's lettuce |
Claytonia perfoliata |
8 |
| miramar weed |
Hygrophila polysperma |
1 |
| Missouri lambsquarters |
Chenopodium album var. missouriense |
1 |
| mockernut hickory |
Carya tomentosa |
12 |
| Mohr's Barbara's buttons |
Marshallia mohrii |
3 |
| Molucca raspberry |
Rubus moluccanus |
1 |
| moneywort |
Lysimachia nummularia |
1 |
| monkey-pot |
Lecythis pisonis |
3 |
| monkshood |
Aconitum spp. |
3 |
| morning glory |
Ipomoea jaegeri |
1 |
| Moroccan toadflax |
Linaria maroccana |
9 |
| Morrow's honeysuckle |
Lonicera morrowii |
8 |
| moss vervain |
Glandularia pulchella |
3 |
| moth mullein |
Verbascum blattaria |
8 |
| motherwort |
Leonurus cardiaca |
3 |
| mottlecah |
Eucalyptus macrocarpa |
3 |
| mountain camellia |
Stewartia ovata |
1 |
| mountain fetterbush |
Pieris floribunda |
1 |
| mountain laurel |
Kalmia latifolia |
2 |
| mountain silverbell |
Halesia tetraptera |
1 |
| mountain woodsorrel |
Oxalis montana |
1 |
| mouse-ear cress |
Arabidopsis thaliana |
2 |
| mudmat |
Glossostigma cleistanthum |
1 |
| mugwort |
Artemisia vulgaris |
2 |
| mullein |
Verbascum spp. |
2 |
| multiflora rose |
Rosa multiflora |
10 |
| musk thistle |
Carduus nutans |
11 |
| myrtle |
Myrtus communis |
3 |
| narrowleaf bittercress |
Cardamine impatiens |
7 |
| narrowleaf cottonrose |
Logfia gallica |
6 |
| narrowleaf firethorn |
Pyracantha angustifolia |
1 |
| narrowleaf spring-beauty |
Claytonia virginica |
1 |
| netseed spurge |
Euphorbia spathulata |
5 |
| nettleleaf goosefoot |
Chenopodium murale |
4 |
| New England aster |
Symphyotrichum novae-angliae |
1 |
| New York ironweed |
Vernonia noveboracensis |
1 |
| New Zealand geranium |
Geranium retrorsum |
4 |
| New Zealand spinach |
Tetragonia tetragonioides |
1 |
| ngaio tree |
Myoporum laetum |
4 |
| nicker bean |
Entada gigas |
4 |
| nipplefruit |
Solanum mammosum |
2 |
| nodding broomrape |
Orobanche cernua |
1 |
| North African knapweed |
Centaurea diluta |
1 |
| northern catalpa |
Catalpa speciosa |
6 |
| northern fogfruit |
Phyla lanceolata |
1 |
| northern red oak |
Quercus rubra |
10 |
| northern spicebush |
Lindera benzoin |
2 |
| Norway maple |
Acer platanoides |
9 |
| Nuttall povertyweed |
Monolepis nuttalliana |
2 |
| oak |
Quercus spp. |
5 |
| Oconee bells |
Shortia galacifolia |
19 |
| Ohio buckeye |
Aesculus glabra |
4 |
| okra |
Abelmoschus esculentus |
5 |
| Olympic mullein |
Verbascum olympicum |
1 |
| onerow yellowcress |
Nasturtium microphyllum |
3 |
| opium poppy |
Papaver somniferum |
1 |
| oppositeleaf Russian thistle |
Salsola soda |
1 |
| orange |
Citrus x sinensis |
5 |
| orange cotoneaster |
Cotoneaster franchetii |
1 |
| orange hawkweed |
Hieracium aurantiacum |
1 |
| orangeberry nightshade |
Solanum lanceolatum |
5 |
| orbicular whitetop |
Lepidium chalepense |
2 |
| oregano |
Origanum vulgare x laevigatum |
1 |
| oriental bittersweet |
Celastrus orbiculatus |
22 |
| Oriental lady's thumb |
Persicaria longiseta |
4 |
| oriental mustard |
Sisymbrium orientale |
6 |
| ornamental jewelweed |
Impatiens glandulifera |
6 |
| osage-orange |
Maclura pomifera |
6 |
| oval-leaf knotweed |
Polygonum arenastrum |
2 |
| overcup oak |
Quercus lyrata |
11 |
| oxeye daisy |
Leucanthemum vulgare |
2 |
| Pacific hound's tongue |
Cynoglossum grande |
1 |
| Pacific mistletoe |
Phoradendron villosum |
1 |
| Pacific poison-oak |
Toxicodendron diversilobum |
3 |
| pale smartweed |
Persicaria lapathifolia |
6 |
| paleseed plantain |
Plantago virginica |
3 |
| Palmer amaranth |
Amaranthus palmeri |
11 |
| palo de hierro |
Prosopis palmeri |
1 |
| panicle willowherb |
Epilobium brachycarpum |
7 |
| pansy |
Viola tricolor |
2 |
| papaya |
Carica papaya |
2 |
| paper birch |
Betula papyrifera |
2 |
| paper-mulberry |
Broussonetia papyrifera |
5 |
| paperbark maple |
Acer griseum |
1 |
| parrot feather milfoil |
Myriophyllum aquaticum |
6 |
| parrot pitcherplant |
Sarracenia psittacina |
3 |
| partridgeberry |
Mitchella repens |
1 |
| partridgepea |
Chamaecrista fasciculata |
3 |
| peach thorn |
Lycium cooperi |
5 |
| peanut |
Arachis hypogaea |
2 |
| pear gum |
Eucalyptus stoatei |
4 |
| pear-fruit mallee |
Eucalyptus pyriformis |
3 |
| pecan |
Carya illinoinensis |
8 |
| peepul tree |
Ficus religiosa |
3 |
| Pennsylvania bittercress |
Cardamine pensylvanica |
2 |
| Pennsylvania blackberry |
Rubus pensilvanicus |
1 |
| Pennsylvania smartweed |
Polygonum pensylvanicum |
7 |
| pennyroyal |
Mentha pulegium |
4 |
| peregrine thistle |
Cirsium cymosum |
1 |
| perennial cornflower |
Centaurea montana |
1 |
| perennial pepperweed |
Lepidium latifolium |
10 |
| perennial sowthistle |
Sonchus arvensis |
6 |
| perilla mint |
Perilla frutescens |
34 |
| Persian speedwell |
Veronica persica |
5 |
| Peruvian peppertree |
Schinus molle |
3 |
| petty spurge |
Euphorbia peplus |
5 |
| peyote |
Lophophora williamsii |
6 |
| phlox |
Phlox spp. |
1 |
| pignut hickory |
Carya glabra |
4 |
| pigweed |
Amaranthus spp. |
1 |
| pimpin mallee |
Eucalyptus pimpiniana |
2 |
| pin oak |
Quercus palustris |
6 |
| pine echium |
Echium pininana |
2 |
| pineapple-weed |
Matricaria discoidea |
9 |
| pink purslane |
Portulaca pilosa |
1 |
| pinnate tansymustard |
Descurainia pinnata |
2 |
| pitcherplants |
Sarracenia spp. |
3 |
| pitted morningglory |
Ipomoea lacunosa |
3 |
| plantainleaf pussytoes |
Antennaria plantaginifolia |
2 |
| plumeria |
Plumeria spp. |
2 |
| poinsettia |
Euphorbia pulcherrima |
2 |
| poison-hemlock |
Conium maculatum |
11 |
| poison-sumac |
Toxicodendron vernix |
1 |
| pondberry |
Lindera melissifolia |
10 |
| pongame oiltree |
Millettia pinnata |
2 |
| portia tree |
Thespesia populnea |
6 |
| post oak |
Quercus stellata |
13 |
| poverty sumpweed |
Iva axillaris |
6 |
| Powell amaranth |
Amaranthus powellii |
9 |
| prairie rosinweed |
Silphium terebinthinaceum |
2 |
| prickly lettuce |
Lactuca serriola |
10 |
| prickly sida |
Sida spinosa |
10 |
| pricklypear/cholla |
Opuntia spp. |
2 |
| pride of Madeira |
Echium candicans |
1 |
| princesstree |
Paulownia tomentosa |
7 |
| privet |
Ligustrum spp. |
1 |
| prostrate globe-amaranth |
Gomphrena serrata |
2 |
| prostrate knotweed |
Polygonum aviculare |
5 |
| prostrate pigweed |
Amaranthus blitoides |
10 |
| pterocarpus |
Pterocarpus indicus |
1 |
| pterocarpus |
Pterocarpus spp. |
3 |
| puncturevine |
Tribulus terrestris |
13 |
| purple coneflower |
Echinacea purpurea |
1 |
| purple cudweed |
Gamochaeta purpurea |
7 |
| purple deadnettle |
Lamium purpureum |
7 |
| purple loosestrife |
Lythrum salicaria |
15 |
| purple milkweed |
Asclepias purpurascens |
3 |
| purple nightshade |
Solanum xanti |
4 |
| purple pitcherplant |
Sarracenia purpurea |
5 |
| purple starthistle |
Centaurea calcitrapa |
4 |
| purple toadflax |
Linaria purpurea |
3 |
| purple witchweed |
Striga hermonthica |
1 |
| purplerocket |
Iodanthus pinnatifidus |
2 |
| purplestamen mullein |
Verbascum virgatum |
9 |
| purpletassels |
Dalea gattingeri |
2 |
| purslane speedwell |
Veronica peregrina |
3 |
| pussy willow |
Salix discolor |
1 |
| pygmy pipes |
Monotropsis odorata |
13 |
| quaking aspen |
Populus tremuloides |
2 |
| Queen Anne's lace, wild carrot |
Daucus carota |
6 |
| rabbitfoot clover |
Trifolium arvense |
1 |
| rabbittobacco |
Pseudognaphalium obtusifolium ssp. obtusifolium |
3 |
| radish |
Raphanus sativus |
2 |
| raintree |
Samanea saman |
4 |
| Rangoon creeper |
Quisqualis indica |
3 |
| rapeseed |
Brassica napus |
6 |
| rayless sunflower |
Helianthus radula |
1 |
| red amaranth |
Amaranthus cruentus |
6 |
| red chokeberry |
Photinia pyrifolia |
2 |
| red clover |
Trifolium pratense |
5 |
| red larkspur |
Delphinium nudicaule |
1 |
| red mangrove |
Rhizophora mangle |
4 |
| red maple |
Acer rubrum |
3 |
| red morningglory |
Ipomoea coccinea |
1 |
| red orach |
Atriplex rosea |
1 |
| red sandspurry |
Spergularia rubra |
1 |
| red silk cottontree |
Bombax ceiba |
6 |
| red sorrel |
Rumex acetosella |
21 |
| red turtlehead |
Chelone obliqua |
1 |
| red willow |
Salix laevigata |
3 |
| red-cap gum |
Eucalyptus erythrocorys |
2 |
| redflower gum |
Corymbia ficifolia |
6 |
| redflower gum |
Eucalyptus ficifolia |
1 |
| redmaids |
Calandrinia ciliata |
9 |
| redpurple ragwort |
Senecio elegans |
1 |
| redroot pigweed |
Amaranthus retroflexus |
14 |
| redstem filaree |
Erodium cicutarium |
5 |
| redvine |
Brunnichia ovata |
2 |
| rhododendron |
Rhododendron fortunei |
1 |
| rhododendron |
Rhododendron smirnowii |
1 |
| rhododendrons and azaleas |
Rhododendron spp. |
16 |
| rhodora |
Rhododendron canadense |
2 |
| river birch |
Betula nigra |
3 |
| robust horsenettle |
Solanum dimidiatum |
9 |
| rockspray cotoneaster |
Cotoneaster horizontalis |
1 |
| Rocky Mountain fringed gentian |
Gentianopsis thermalis |
1 |
| rose |
Rosa spp. |
7 |
| rose banksia |
Banksia laricina |
2 |
| rose vervain |
Glandularia canadensis |
1 |
| roselle |
Hibiscus sabdariffa |
6 |
| rosepink |
Sabatia angularis |
1 |
| rosering gaillardia |
Gaillardia pulchella |
1 |
| rosilla |
Helenium puberulum |
5 |
| rough cinquefoil |
Potentilla norvegica |
5 |
| roughleaf yellow loosestrife |
Lysimachia asperulifolia |
4 |
| roundleaf geranium |
Geranium rotundifolium |
2 |
| roundleaf sundew |
Drosera rotundifolia |
1 |
| roundleaf toothcup |
Rotala rotundifolia |
1 |
| royal larkspur |
Delphinium variegatum ssp. variegatum |
1 |
| royal poinciana |
Delonix regia |
5 |
| royal star magnolia |
Magnolia stellata |
1 |
| rubber tree |
Hevea brasiliensis |
5 |
| running serviceberry |
Amelanchier stolonifera |
1 |
| rush skeletonweed |
Chondrilla juncea |
7 |
| Russian knapweed |
Rhaponticum repens |
1 |
| Russian mallow |
Althaea armeniaca |
7 |
| Russian sage |
Perovskia atriplicifolia |
1 |
| Russian-olive |
Elaeagnus angustifolia |
3 |
| Russian-thistle |
Salsola tragus |
7 |
| sacred bamboo |
Nandina domestica |
1 |
| Sacred lotus |
Nelumbo nucifera |
3 |
| sacred thorn-apple |
Datura wrightii |
3 |
| safflower |
Carthamus tinctorius |
1 |
| Sakhalin knotweed |
Fallopia sachalinensis |
7 |
| salmonberry |
Rubus spectabilis |
1 |
| saltbush |
Atriplex fera |
2 |
| saltbush |
Atriplex spp. |
3 |
| saltcedar |
Tamarix ramosissima |
5 |
| saltmarsh baccharis |
Baccharis douglasii |
5 |
| saltmarsh dodder |
Cuscuta salina |
4 |
| San Bernardino larkspur |
Delphinium parryi |
1 |
| sand heath |
Ceratiola ericoides |
7 |
| santol |
Sandoricum koetjape |
3 |
| Sargent's apple |
Malus sargentii |
1 |
| sassafras |
Sassafras albidum |
2 |
| sassafras |
Sassafras spp. |
1 |
| satiny wormwood |
Artemisia schmidtiana |
1 |
| scaly blazing star |
Liatris squarrosa |
1 |
| scarlet gaura |
Gaura coccinea |
3 |
| scarlet oak |
Quercus coccinea |
8 |
| scarlet pimpernel |
Lysimachia arvensis |
13 |
| Scotch broom |
Cytisus scoparius |
5 |
| Scotch thistle |
Onopordum acanthium |
14 |
| sea lavender |
Limonium gerberi |
4 |
| seashore vervain |
Verbena montevidensis |
4 |
| Seaside rose |
Rosa rugosa |
9 |
| seepwillow |
Baccharis salicifolia |
7 |
| Senegal saba |
Saba senegalensis |
1 |
| sericea lespedeza |
Lespedeza cuneata |
5 |
| serviceberry |
Amelanchier alnifolia |
1 |
| sesame |
Sesamum indicum |
5 |
| shagbark hickory |
Carya ovata |
4 |
| shallow-wort |
Cynanchum spp. |
1 |
| sharpleaf groundcherry |
Physalis acutifolia |
6 |
| sharppoint fluvellin |
Kickxia elatine |
5 |
| sharpwing monkeyflower |
Mimulus alatus |
3 |
| shellbark hickory |
Carya laciniosa |
13 |
| shepherd's-purse |
Capsella bursa-pastoris |
14 |
| shingle oak |
Quercus imbricaria |
4 |
| shining pepperweed |
Lepidium nitidum var. nitidum |
2 |
| shoebutton ardisia |
Ardisia elliptica |
3 |
| shortfruit stork's bill |
Erodium brachycarpum |
10 |
| shortpod mustard |
Hirschfeldia incana |
8 |
| showy baby's-breath |
Gypsophila elegans |
2 |
| showy evening-primrose |
Oenothera speciosa |
2 |
| showy milkweed |
Asclepias speciosa |
1 |
| shrubby St. Johnswort |
Hypericum prolificum |
4 |
| sibara |
Sibara virginica |
2 |
| Siberian elm |
Ulmus pumila |
3 |
| sicklepod |
Senna obtusifolia |
3 |
| silk-cotton tree |
Cochlospermum religiosum |
10 |
| silkoak |
Grevillea robusta |
3 |
| silky camellia |
Stewartia malacodendron |
9 |
| silver maple |
Acer saccharinum |
5 |
| silverleaf cotoneaster |
Cotoneaster pannosus |
2 |
| silverleaf nightshade |
Solanum elaeagnifolium |
9 |
| silversheath knotweed |
Polygonum argyrocoleon |
3 |
| sinkwa towelsponge |
Luffa acutangula |
6 |
| skunk-vine |
Paederia foetida |
3 |
| skunkbush sumac |
Rhus trilobata |
2 |
| slender aster |
Symphyotrichum divaricatum |
5 |
| slender cinquefoil |
Potentilla gracilis |
3 |
| slender snakecotton |
Froelichia gracilis |
6 |
| slender speedwell |
Veronica filiformis |
2 |
| slenderflower thistle |
Carduus tenuiflorus |
2 |
| slippery elm |
Ulmus rubra |
1 |
| small broomrape |
Orobanche minor |
1 |
| small Venus' looking-glass |
Triodanis biflora |
1 |
| smallflower buttercup |
Ranunculus abortivus |
3 |
| smallflower galinsoga |
Galinsoga parviflora |
1 |
| smallflower tamarisk |
Tamarix parviflora |
3 |
| smallseed sandmat |
Euphorbia polycarpa |
4 |
| smooth bedstraw |
Galium mollugo |
2 |
| smooth cat's ear |
Hypochaeris glabra |
7 |
| smooth groundcherry |
Physalis longifolia var. subglabrata |
2 |
| smooth pigweed |
Amaranthus hybridus |
9 |
| smooth sumac |
Rhus glabra |
2 |
| sneezewort yarrow |
Achillea ptarmica |
1 |
| snow-on-the-mountain |
Euphorbia marginata |
1 |
| snowy thistle |
Cirsium occidentale var. candidissimum |
1 |
| sola pith plant |
Aeschynomene aspera |
11 |
| soursop |
Annona muricata |
2 |
| South African ragwort |
Senecio inaequidens |
5 |
| southern arrowwood |
Viburnum dentatum |
2 |
| southern red oak |
Quercus falcata |
1 |
| southern sida |
Sida acuta |
1 |
| spearmint |
Mentha spicata |
1 |
| speedwell |
Veronica spp. |
1 |
| spiny amaranth |
Amaranthus spinosus |
4 |
| spiny cocklebur |
Xanthium spinosum |
5 |
| spiny plumeless thistle |
Carduus acanthoides |
4 |
| spiny sowthistle |
Sonchus asper |
10 |
| spinyfruit buttercup |
Ranunculus muricatus |
3 |
| spotted gum |
Corymbia maculata |
1 |
| spotted knapweed |
Centaurea stoebe |
3 |
| spotted knapweed |
Centaurea stoebe ssp. micranthos |
17 |
| spotted spurge |
Euphorbia maculata |
5 |
| spotted water hemlock |
Cicuta maculata var. angustifolia |
2 |
| spreading pellitory |
Parietaria judaica |
2 |
| spreading pricklypear |
Opuntia humifusa |
1 |
| spurge |
Euphorbia humistrata |
3 |
| spurge |
Euphorbia spp. |
1 |
| spurred butterfly pea |
Centrosema virginianum |
1 |
| squarrose knapweed |
Centaurea virgata |
2 |
| squirrel corn |
Dicentra canadensis |
2 |
| St. Thomas bean |
Entada phaseoloides |
2 |
| staghorn sumac |
Rhus typhina |
2 |
| standing-cypress |
Ipomopsis rubra |
1 |
| star chickweed |
Stellaria pubera |
2 |
| star-flower |
Trientalis borealis |
4 |
| starflower pincushions |
Scabiosa stellata |
1 |
| statice |
Psylliostachys suworowii |
1 |
| Steedman's gum |
Eucalyptus steedmanii |
4 |
| sticky chickweed |
Cerastium glomeratum |
5 |
| stinging nettle |
Urtica dioica |
3 |
| stinging nettle |
Urtica dioica ssp. holosericea |
4 |
| stinking chamomile |
Anthemis cotula |
6 |
| stonecrop |
Hylotelephium spp. |
1 |
| stork's bill |
Erodium spp. |
1 |
| strawflower |
Helichrysum petiolare |
1 |
| striped bladderwort |
Utricularia striata |
1 |
| striped maple |
Acer pensylvanicum |
1 |
| sugar apple |
Annona squamosa |
7 |
| sugar maple |
Acer saccharum |
8 |
| sugarberry |
Celtis laevigata |
3 |
| sugarbush |
Protea repens |
5 |
| sulfur cinquefoil |
Potentilla recta |
5 |
| sulphur knapweed |
Centaurea sulphurea |
2 |
| sundews |
Drosera spp. |
1 |
| sunflower |
Helianthus spp. |
1 |
| swamp chestnut oak |
Quercus michauxii |
30 |
| swamp cottonwood |
Populus heterophylla |
8 |
| swamp lousewort |
Pedicularis lanceolata |
5 |
| swamp milkweed |
Asclepias incarnata |
1 |
| swamp morningglory |
Ipomoea aquatica |
1 |
| swamp smartweed |
Persicaria hydropiperoides |
6 |
| swamp white oak |
Quercus bicolor |
9 |
| sweet bay |
Laurus nobilis |
3 |
| sweet granadilla |
Passiflora ligularis |
3 |
| sweet pepper |
Capsicum annuum |
4 |
| sweet pitcherplant |
Sarracenia rubra |
5 |
| sweetbay |
Magnolia virginiana |
1 |
| sweetbriar rose |
Rosa eglanteria |
4 |
| sweetgum |
Liquidambar styraciflua |
7 |
| Sycamore maple |
Acer pseudoplatanus |
9 |
| Sydney bluegum |
Eucalyptus saligna |
4 |
| Syrian beancaper |
Zygophyllum fabago |
3 |
| Syrian mesquite |
Prosopis farcta |
5 |
| Szechuan pepper corns |
Zanthoxylum spp. |
1 |
| Taiwanese photinia |
Photinia serratifolia |
2 |
| tall fleabane |
Conyza floribunda |
6 |
| tall hedge mustard |
Sisymbrium loeselii |
3 |
| tall ironweed |
Vernonia gigantea |
5 |
| tall lettuce |
Lactuca canadensis |
1 |
| tall morningglory |
Ipomoea purpurea |
9 |
| tall vervain |
Verbena bonariensis |
4 |
| tall waterhemp |
Amaranthus tuberculatus |
2 |
| tamarisk |
Tamarix spp. |
1 |
| tansy ragwort |
Senecio jacobaea |
7 |
| tansymustard |
Descurainia spp. |
2 |
| tapioca |
Manihot esculenta |
7 |
| tarragon |
Artemisia dracunculus |
2 |
| tarweed fiddleneck |
Amsinckia lycopsoides |
3 |
| Tasmanian bluegum |
Eucalyptus globulus |
5 |
| Tatarian honeysuckle |
Lonicera tatarica |
6 |
| telegraphplant |
Heterotheca grandiflora |
3 |
| Texas bluebonnet |
Lupinus subcarnosus |
1 |
| Texas filaree |
Erodium texanum |
4 |
| Texas pricklypear |
Opuntia engelmannii var. lindheimeri |
1 |
| Texas toadflax |
Nuttallanthus texanus |
4 |
| thistle |
Cirsium spp. |
3 |
| thistle |
Sphaeranthus indicus |
6 |
| threebract loosestrife |
Lythrum tribracteatum |
2 |
| Thunberg's geranium |
Geranium thunbergii |
4 |
| thymeleaf sandwort |
Arenaria serpyllifolia |
1 |
| tomatillo groundcherry |
Physalis philadelphica |
9 |
| tongue pepperweed |
Lepidium nitidum |
7 |
| toothed dock |
Rumex dentatus |
3 |
| toothed spurge |
Euphorbia dentata |
2 |
| toothpick ammi |
Ammi visnaga |
1 |
| tornillo |
Prosopis reptans |
1 |
| trailing fuzzybean |
Strophostyles umbellata |
2 |
| tree tobacco |
Nicotiana glauca |
3 |
| tree-of-heaven |
Ailanthus altissima |
26 |
| triangle orach |
Atriplex prostrata |
1 |
| trident maple |
Acer buergerianum |
1 |
| trifoliate orange |
Poncirus trifoliata |
1 |
| tropical soda apple |
Solanum viarum |
1 |
| true forget-me-not |
Myosotis scorpioides |
6 |
| tumble mustard |
Sisymbrium altissimum |
5 |
| tumble pigweed |
Amaranthus albus |
13 |
| Turkey mullein |
Croton setiger |
5 |
| turkeyberry |
Solanum torvum |
5 |
| turnipweed |
Rapistrum rugosum |
7 |
| twinleaf |
Jeffersonia diphylla |
4 |
| two-color rabbit-tobacco |
Pseudognaphalium biolettii |
5 |
| two-wing silverbell |
Halesia diptera |
2 |
| twoflower dwarfdandelion |
Krigia biflora |
2 |
| twoleaf watermilfoil |
Myriophyllum heterophyllum |
2 |
| upright pepperweed |
Lepidium strictum |
7 |
| upright prairie coneflower |
Ratibida columnifera |
2 |
| veiny pepperweed |
Lepidium oblongum var. oblongum |
2 |
| velvetleaf |
Abutilon theophrasti |
21 |
| Venice mallow |
Hibiscus trionum |
13 |
| Venus flytrap |
Dionaea muscipula |
8 |
| venus-comb |
Scandix pecten-veneris |
1 |
| viburnum |
Viburnum spp. |
4 |
| vinal |
Prosopis ruscifolia |
1 |
| vinegarweed |
Trichostema lanceolatum |
4 |
| virgate tarweed |
Holocarpha virgata |
2 |
| Virginia copperleaf |
Acalypha virginica |
2 |
| Virginia pepperweed |
Lepidium virginicum |
12 |
| Virginia winged rockcress |
Planodes virginicum |
4 |
| voacanga |
Voacanga spp. |
1 |
| wall bedstraw |
Galium parisiense |
4 |
| waratah |
Telopea speciosissima |
1 |
| warted yate |
Eucalyptus megacornuta |
4 |
| Washington hawthorn |
Crataegus phaenopyrum |
1 |
| water birch |
Betula occidentalis |
2 |
| water chestnut |
Trapa spp. |
1 |
| water jacket |
Lycium andersonii |
5 |
| water smartweed |
Polygonum amphibium var. stipulaceum |
1 |
| water snowflake |
Nymphoides indica |
1 |
| water speedwell |
Veronica anagallis-aquatica |
7 |
| water-chestnut |
Trapa natans |
7 |
| watercress |
Nasturtium officinale |
3 |
| watermelon |
Citrullus lanatus var. lanatus |
2 |
| wavyleaf gaura |
Gaura sinuata |
4 |
| wavyleaf purple coneflower |
Echinacea simulata |
4 |
| wavyleaf thistle |
Cirsium undulatum |
1 |
| weeping fig |
Ficus benjamina |
1 |
| weeping willow |
Salix babylonica |
3 |
| West Himalayan alder |
Alnus nitida |
3 |
| West Indian nightshade |
Solanum ptycanthum |
6 |
| western fiddleneck |
Amsinckia tessellata |
5 |
| western marsh cudweed |
Gnaphalium palustre |
6 |
| western ragweed |
Ambrosia psilostachya |
5 |
| western salsify |
Tragopogon dubius |
5 |
| western thimbleberry |
Rubus parviflorus |
2 |
| western waterhemlock |
Cicuta douglasii |
1 |
| wetland nightshade |
Solanum tampicense |
2 |
| white ash |
Fraxinus americana |
1 |
| white bergamot |
Monarda clinopodia |
3 |
| white bladderflower |
Araujia sericifera |
1 |
| white clover |
Trifolium repens |
7 |
| white horehound |
Marrubium vulgare |
5 |
| white mulberry |
Morus alba |
5 |
| white mustard |
Sinapis alba |
2 |
| white oak |
Quercus alba |
2 |
| white poplar |
Populus alba |
12 |
| white ramping fumitory |
Fumaria capreolata |
1 |
| white sweetclover |
Melilotus albus |
2 |
| white turtlehead |
Chelone glabra |
1 |
| white violet |
Viola renifolia |
1 |
| whitebark raspberry |
Rubus leucodermis |
3 |
| whiteplume wirelettuce |
Stephanomeria exigua ssp. coronaria |
3 |
| whitestem filaree |
Erodium moschatum |
8 |
| wholeleaf rosinweed |
Silphium integrifolium |
2 |
| whorled coreopsis |
Coreopsis verticillata |
1 |
| wild bergamot |
Monarda fistulosa |
1 |
| wild buckwheat |
Fallopia convolvulus |
10 |
| wild chamomile |
Matricaria recutita |
4 |
| wild chervil |
Anthriscus sylvestris |
6 |
| wild cucumber |
Echinocystis lobata |
3 |
| wild four-o'clock |
Mirabilis nyctaginea |
2 |
| wild geranium |
Geranium maculatum |
2 |
| wild marigold |
Tagetes minuta |
5 |
| wild mustard |
Sinapis arvensis |
9 |
| wild mustard |
Sinapis arvensis ssp. arvensis |
4 |
| wild parsnip |
Pastinaca sativa |
7 |
| wild radish |
Raphanus raphanistrum |
8 |
| wild safflower |
Carthamus oxyacanthus |
2 |
| willow oak |
Quercus phellos |
4 |
| willow-leaved hakea |
Hakea salicifolia |
4 |
| willowleaf lettuce |
Lactuca saligna |
3 |
| windowbox woodsorrel |
Oxalis rubra |
2 |
| wine raspberry |
Rubus phoenicolasius |
8 |
| winged burning bush |
Euonymus alatus |
12 |
| winged elm |
Ulmus alata |
5 |
| winter aconite |
Eranthis hyemalis |
1 |
| winter creeper |
Euonymus fortunei var. radicans |
1 |
| witch-hazel |
Hamamelis virginiana |
3 |
| witchweed |
Striga asiatica |
3 |
| witchweed |
Striga euphrasioides |
1 |
| woman's tongue tree |
Albizia lebbeck |
2 |
| wood whitlowgrass |
Draba nemorosa |
4 |
| woodland groundsel |
Senecio sylvaticus |
1 |
| woodland stonecrop |
Sedum ternatum |
2 |
| woolly distaff thistle |
Carthamus lanatus |
2 |
| woollypod milkweed |
Asclepias eriocarpa |
3 |
| yellow anisetree |
Illicium parviflorum |
2 |
| yellow bedstraw |
Galium verum |
2 |
| yellow birch |
Betula alleghaniensis |
2 |
| yellow chamomile |
Anthemis tinctoria |
1 |
| yellow fieldcress |
Rorippa sylvestris |
1 |
| yellow floatingheart |
Nymphoides peltata |
1 |
| yellow glandweed |
Parentucellia viscosa |
3 |
| yellow hornpoppy |
Glaucium flavum |
4 |
| yellow mombin |
Spondias mombin |
3 |
| yellow pitcherplant |
Sarracenia flava |
4 |
| yellow rocket |
Barbarea vulgaris |
8 |
| yellow starthistle |
Centaurea solstitialis |
4 |
| yellow sweetclover |
Melilotus officinalis |
7 |
| yellow toadflax |
Linaria vulgaris |
9 |
| yellow wall bedstraw |
Galium murale |
4 |
| yellow woodsorrel |
Oxalis stricta |
8 |
| yellow-poplar |
Liriodendron tulipifera |
5 |
| yellowspine thistle |
Cirsium ochrocentrum |
1 |
| zigzag larkspur |
Delphinium patens |
1 |
| zizotes milkweed |
Asclepias oenotheroides |
2 |
