| African rue |
Peganum harmala |
2 |
| air-potato |
Dioscorea bulbifera |
4 |
| Algerian ivy |
Hedera helix ssp. canariensis |
2 |
| alligatorweed |
Alternanthera philoxeroides |
1 |
| alsike clover |
Trifolium hybridum |
1 |
| American bugleweed |
Lycopus americanus |
1 |
| American lotus |
Nelumbo lutea |
22 |
| Amur honeysuckle |
Lonicera maackii |
67 |
| Amur maple |
Acer ginnala |
39 |
| Amur peppervine |
Ampelopsis brevipedunculata |
23 |
| Amur silvergrass |
Miscanthus sacchariflorus |
54 |
| annual bluegrass |
Poa annua |
3 |
| annual bursage |
Ambrosia acanthicarpa |
3 |
| annual vernalgrass |
Anthoxanthum aristatum |
5 |
| apple-of-Peru |
Nicandra physalodes |
6 |
| aroma |
Dichrostachys cinerea |
1 |
| Asian kelp |
Undaria pinnatifida |
6 |
| Asian nakedwood |
Colubrina asiatica |
2 |
| Asiatic dayflower |
Commelina communis |
15 |
| Athel tamarisk |
Tamarix aphylla |
30 |
| Australian-pine |
Casuarina equisetifolia |
50 |
| autumn-olive |
Elaeagnus umbellata |
166 |
| bahiagrass |
Paspalum notatum |
1 |
| bamboo |
Bambusa spp. |
1 |
| banana poka |
Passiflora tarminiana |
4 |
| barnyardgrass |
Echinochloa crus-galli |
2 |
| beach vitex |
Vitex rotundifolia |
66 |
| Bell's honeysuckle |
Lonicera x bella |
53 |
| Benghal dayflower |
Commelina benghalensis |
5 |
| bermudagrass |
Cynodon dactylon |
24 |
| biennial wormwood |
Artemisia biennis |
1 |
| big chickweed |
Cerastium fontanum ssp. vulgare |
5 |
| big periwinkle |
Vinca major |
11 |
| big sagebrush |
Artemisia tridentata |
3 |
| birdsfoot trefoil |
Lotus corniculatus |
8 |
| birdsrape mustard |
Brassica rapa |
7 |
| bishops goutweed |
Aegopodium podagraria |
77 |
| bitter sneezeweed |
Helenium amarum |
2 |
| bittersweet nightshade |
Solanum dulcamara |
38 |
| Black dog-strangling vine, black swallowwort |
Cynanchum louiseae |
99 |
| black henbane |
Hyoscyamus niger |
16 |
| black knapweed |
Centaurea nigra |
3 |
| black locust |
Robinia pseudoacacia |
111 |
| black medic |
Medicago lupulina |
3 |
| blessed milkthistle |
Silybum marianum |
8 |
| blessed thistle |
Cnicus benedictus |
2 |
| bluegrass |
Poa spp. |
2 |
| Bohemian knotweed |
Fallopia x bohemica |
13 |
| border privet |
Ligustrum obtusifolium |
66 |
| brassbuttons |
Cotula coronopifolia |
3 |
| Brazilian peppertree |
Schinus terebinthifolius |
62 |
| Brazilian vervain |
Verbena incompta |
4 |
| Brazilian waterweed |
Egeria densa |
10 |
| bristly foxtail |
Setaria verticillata |
1 |
| British yellowhead |
Inula britannica |
4 |
| brittleleaf naiad |
Najas minor |
15 |
| Britton's wild petunia |
Ruellia simplex |
1 |
| broadleaf plantain |
Plantago major |
2 |
| broomleaf toadflax |
Linaria genistifolia |
1 |
| brown knapweed |
Centaurea jacea |
3 |
| buckhorn plantain |
Plantago lanceolata |
4 |
| buffalobur |
Solanum rostratum |
2 |
| Bukhara fleeceflower |
Polygonum baldschuanicum |
7 |
| bulbous bluegrass |
Poa bulbosa |
4 |
| bull thistle |
Cirsium vulgare |
25 |
| bur chervil |
Anthriscus caucalis |
3 |
| burcucumber |
Sicyos angulatus |
4 |
| bushkiller |
Cayratia japonica |
4 |
| butterflybush |
Buddleja davidii |
39 |
| butterflybush |
Buddleja spp. |
2 |
| California privet |
Ligustrum ovalifolium |
10 |
| Callery pear (Bradford pear) |
Pyrus calleryana |
19 |
| camphortree |
Cinnamomum camphora |
5 |
| Canada bluegrass |
Poa compressa |
28 |
| Canada thistle |
Cirsium arvense |
83 |
| Canary Island date palm |
Phoenix canariensis |
1 |
| canyon dodder |
Cuscuta ceanothi |
1 |
| cape ivy |
Delairea odorata |
4 |
| capeweed |
Arctotheca calendula |
3 |
| carpobrotus |
Carpobrotus spp. |
3 |
| carrotwood |
Cupaniopsis anacardioides |
10 |
| castorbean |
Ricinus communis |
1 |
| catchweed bedstraw |
Galium aparine |
2 |
| cattail millet |
Setaria glauca |
1 |
| cheatgrass |
Bromus tectorum |
47 |
| Cherokee rose |
Rosa laevigata |
5 |
| chicory |
Cichorium intybus |
6 |
| chinaberry |
Melia azedarach |
25 |
| Chinese parasoltree |
Firmiana simplex |
1 |
| Chinese privet |
Ligustrum sinense |
17 |
| Chinese silvergrass |
Miscanthus sinensis |
53 |
| Chinese tallowtree |
Triadica sebifera |
17 |
| Chinese wisteria |
Wisteria sinensis |
14 |
| Chinese yam |
Dioscorea polystachya |
1 |
| chocolate vine |
Akebia quinata |
103 |
| clammy goosefoot |
Dysphania pumilio |
2 |
| coco yam, wild taro |
Colocasia esculenta |
7 |
| cogongrass |
Imperata cylindrica |
24 |
| coltsfoot |
Tussilago farfara |
53 |
| common burdock |
Arctium minus |
5 |
| common cattail |
Typha latifolia |
1 |
| common chickweed |
Stellaria media |
1 |
| common chickweed |
Stellaria pallida |
2 |
| common chokecherry |
Prunus virginiana |
4 |
| common cocklebur |
Xanthium strumarium |
8 |
| common crupina |
Crupina vulgaris |
3 |
| common groundsel |
Senecio vulgaris |
3 |
| common lespedeza |
Kummerowia striata |
1 |
| common mallow |
Malva neglecta |
1 |
| common milkweed |
Asclepias syriaca |
3 |
| common mouse-ear chickweed |
Cerastium fontanum |
1 |
| common mullein |
Verbascum thapsus |
26 |
| common pokeweed |
Phytolacca americana |
2 |
| common purslane |
Portulaca oleracea |
1 |
| common ragweed |
Ambrosia artemisiifolia |
6 |
| common reed |
Phragmites australis |
43 |
| common spiderwort |
Tradescantia ohiensis |
3 |
| common St. Johnswort |
Hypericum perforatum |
6 |
| common tansy |
Tanacetum vulgare |
10 |
| common teasel |
Dipsacus fullonum |
4 |
| common valerian |
Valeriana officinalis |
77 |
| common yarrow |
Achillea millefolium |
8 |
| coppery mesemb |
Malephora crocea |
1 |
| coral ardisia |
Ardisia crenata |
4 |
| corktree |
Phellodendron spp. |
15 |
| corn chamomile |
Anthemis arvensis |
2 |
| corn speedwell |
Veronica arvensis |
2 |
| creeping buttercup |
Ranunculus repens |
50 |
| creeping croftonweed |
Ageratina riparia |
1 |
| creeping woodsorrel |
Oxalis corniculata |
1 |
| crested latesummer mint |
Elsholtzia ciliata |
59 |
| crimson clover |
Trifolium incarnatum |
2 |
| crimson fountaingrass |
Pennisetum setaceum |
22 |
| croftonweed |
Ageratina adenophora |
7 |
| crownvetch |
Securigera varia |
7 |
| crystalline iceplant |
Mesembryanthemum crystallinum |
2 |
| cup rosinweed |
Silphium perfoliatum |
46 |
| curly dock |
Rumex crispus |
4 |
| curlyleaf pondweed |
Potamogeton crispus |
3 |
| cutleaf blackberry |
Rubus laciniatus |
10 |
| cutleaf goosefoot |
Chenopodium multifidum |
2 |
| cutleaf teasel |
Dipsacus laciniatus |
6 |
| cypress spurge |
Euphorbia cyparissias |
52 |
| Dalmatian toadflax |
Linaria dalmatica |
1 |
| damesrocket |
Hesperis matronalis |
51 |
| dandelion |
Taraxacum officinale |
4 |
| devils beggarticks |
Bidens frondosa |
3 |
| diffuse knapweed |
Centaurea diffusa |
2 |
| dodder |
Cuscuta spp. |
1 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
54 |
| dwarf honeysuckle |
Lonicera xylosteum |
55 |
| dwarf St. Johnswort |
Hypericum mutilum |
1 |
| eclipta |
Eclipta prostrata |
1 |
| English daisy |
Bellis perennis |
2 |
| English ivy |
Hedera helix |
63 |
| Eurasian watermilfoil |
Myriophyllum spicatum |
24 |
| European alder |
Alnus glutinosa |
30 |
| European barberry |
Berberis vulgaris |
108 |
| European beachgrass |
Ammophila arenaria |
1 |
| European buckthorn |
Rhamnus cathartica |
57 |
| European pepperwort |
Marsilea quadrifolia |
41 |
| European waterstarwort |
Callitriche stagnalis |
37 |
| evening-primrose |
Oenothera spp. |
1 |
| false chamomile |
Tripleurospermum perforatum |
5 |
| fanwort |
Cabomba caroliniana |
33 |
| fennel |
Foeniculum vulgare |
2 |
| field bindweed |
Convolvulus arvensis |
9 |
| field dodder |
Cuscuta pentagona |
2 |
| field marigold |
Calendula arvensis |
2 |
| field pansy |
Viola bicolor |
1 |
| field pennycress |
Thlaspi arvense |
5 |
| flathead catfish |
Pylodictis olivaris |
1 |
| flatsedge |
Cyperus spp. |
1 |
| floating pennywort |
Hydrocotyle ranunculoides |
2 |
| Florida wild lettuce |
Lactuca floridana |
2 |
| flowering rush |
Butomus umbellatus |
17 |
| foxglove |
Digitalis purpurea |
2 |
| French broom |
Genista monspessulana |
3 |
| Fuller's teasel |
Dipsacus sativus |
2 |
| garden loosestrife |
Lysimachia vulgaris |
39 |
| garlic mustard |
Alliaria petiolata |
137 |
| giant foxtail |
Setaria faberi |
2 |
| giant hogweed |
Heracleum mantegazzianum |
114 |
| giant ragweed |
Ambrosia trifida |
6 |
| giant reed |
Arundo donax |
36 |
| giant salvinia |
Salvinia molesta |
7 |
| glandular Cape marigold |
Dimorphotheca sinuata |
2 |
| glossy buckthorn |
Frangula alnus |
53 |
| glossy privet |
Ligustrum lucidum |
3 |
| golden bamboo |
Phyllostachys aurea |
10 |
| goosegrass |
Eleusine indica |
2 |
| gorse |
Ulex europaeus |
24 |
| great yellowcress |
Rorippa amphibia |
106 |
| greater ammi |
Ammi majus |
3 |
| greater celandine |
Chelidonium majus |
39 |
| green foxtail |
Setaria viridis |
3 |
| green kyllinga |
Kyllinga brevifolia |
2 |
| ground ivy |
Glechoma hederacea |
60 |
| hair fescue |
Festuca filiformis |
35 |
| hairy beggarticks |
Bidens pilosa |
4 |
| hairy bittercress |
Cardamine hirsuta |
80 |
| hairy brackenfern |
Pteridium aquilinum var. pubescens |
1 |
| hairy galinsoga |
Galinsoga ciliata |
2 |
| hairy nightshade |
Solanum physalifolium |
1 |
| hairy vetch |
Vicia villosa |
5 |
| hairy willowherb |
Epilobium hirsutum |
3 |
| halogeton |
Halogeton glomeratus |
12 |
| harvesting |
|
1 |
| hedge bindweed |
Calystegia sepium |
5 |
| hedgeparsley |
Torilis arvensis |
2 |
| hemp dogbane |
Apocynum cannabinum |
7 |
| hemp sesbania |
Sesbania exaltata |
5 |
| hempvine |
Mikania spp. |
1 |
| henbit |
Lamium amplexicaule |
10 |
| herbicides (general) |
|
7 |
| Hercules' club |
Zanthoxylum clava-herculis |
1 |
| Hill mustard |
Bunias orientalis |
1 |
| Himalaya blackberry |
Rubus armeniacus |
14 |
| hoary cress |
Lepidium draba |
1 |
| honeyvine swallowwort |
Cynanchum laeve |
14 |
| horsenettle |
Solanum carolinense |
3 |
| horseweed |
Conyza canadensis |
10 |
| hottentot fig |
Carpobrotus edulis |
3 |
| Hybrid barberry |
Berberis × ottawensis |
42 |
| hydrilla |
Hydrilla verticillata |
54 |
| Indiantobacco |
Lobelia inflata |
3 |
| indigobush |
Amorpha fruticosa |
31 |
| Italian hawksbeard |
Crepis bursifolia |
2 |
| Italian plumeless thistle |
Carduus pycnocephalus |
2 |
| Italian ryegrass |
Festuca perennis |
2 |
| ivyleaf morningglory |
Ipomoea hederacea |
3 |
| Japanese barberry |
Berberis thunbergii |
245 |
| Japanese climbing fern |
Lygodium japonicum |
9 |
| Japanese dodder |
Cuscuta japonica |
24 |
| Japanese honeysuckle |
Lonicera japonica |
84 |
| Japanese hop |
Humulus japonicus |
20 |
| Japanese knotweed |
Fallopia japonica |
101 |
| Japanese privet |
Ligustrum japonicum |
2 |
| Japanese sedge |
Carex kobomugi |
53 |
| Japanese spiraea |
Spiraea japonica |
19 |
| Japanese stiltgrass |
Microstegium vimineum |
127 |
| Japanese tree lilac |
Syringa reticulata |
15 |
| Japanese wisteria |
Wisteria floribunda |
1 |
| jetbead |
Rhodotypos scandens |
19 |
| jimsonweed |
Datura stramonium |
51 |
| johnsongrass |
Sorghum halepense |
11 |
| Kenilworth ivy |
Cymbalaria muralis |
1 |
| kikuyugrass |
Pennisetum clandestinum |
1 |
| Korean lespedeza |
Kummerowia stipulacea |
2 |
| kudzu |
Pueraria montana |
3 |
| kudzu |
Pueraria montana var. lobata |
228 |
| ladysthumb |
Persicaria maculosa |
4 |
| lambsquarters |
Chenopodium album |
4 |
| large gray willow |
Salix cinerea |
17 |
| large hop clover |
Trifolium campestre |
2 |
| largeleaf lantana |
Lantana camara |
37 |
| leaf beetle |
|
1 |
| leafy spurge |
Euphorbia esula |
42 |
| leatherleaf mahonia |
Mahonia bealei |
8 |
| lesser celandine, fig buttercup |
Ficaria verna |
59 |
| little lovegrass |
Eragrostis minor |
10 |
| longspine sandbur |
Cenchrus longispinus |
1 |
| low amaranth |
Amaranthus deflexus |
1 |
| Macartney rose |
Rosa bracteata |
1 |
| Malta starthistle |
Centaurea melitensis |
3 |
| mat chaff-flower |
Alternanthera caracasana |
4 |
| matgrass |
Nardus stricta |
2 |
| matrimony vine |
Lycium barbarum |
1 |
| meadow campion |
Silene flos-cuculi |
37 |
| meadow hawkweed |
Hieracium caespitosum |
3 |
| meadow knapweed |
Centaurea moncktonii |
1 |
| Mediterranean sage |
Salvia aethiopis |
1 |
| melaleuca |
Melaleuca quinquenervia |
51 |
| Mexican fireweed |
Kochia scoparia |
29 |
| Mexican whorled milkweed |
Asclepias fascicularis |
2 |
| mexicantea |
Dysphania ambrosioides |
2 |
| miconia |
Miconia calvescens |
2 |
| mile-a-minute weed |
Persicaria perfoliata |
192 |
| mimosa |
Albizia julibrissin |
9 |
| moneywort |
Lysimachia nummularia |
20 |
| monkeygrass |
Liriope muscari |
7 |
| Moroccan toadflax |
Linaria maroccana |
4 |
| Morrow's honeysuckle |
Lonicera morrowii |
104 |
| moth mullein |
Verbascum blattaria |
3 |
| motherwort |
Leonurus cardiaca |
1 |
| mountain lion |
Puma concolor |
1 |
| mulberryweed |
Fatoua villosa |
4 |
| multiflora rose |
Rosa multiflora |
111 |
| musk thistle |
Carduus nutans |
26 |
| musky marshpennywort |
Hydrocotyle moschata |
1 |
| narrow swordfern |
Nephrolepis cordifolia |
1 |
| narrow-leaved iceplant |
Conicosia pugioniformis |
2 |
| narrowleaf bittercress |
Cardamine impatiens |
90 |
| navua sedge |
Cyperus aromaticus |
2 |
| North African knapweed |
Centaurea diluta |
1 |
| northern dewberry |
Rubus flagellaris |
1 |
| Norway maple |
Acer platanoides |
125 |
| nursery operations |
|
1 |
| oakforest woodrush |
Luzula luzuloides |
21 |
| old world climbing fern |
Lygodium microphyllum |
43 |
| onerow yellowcress |
Nasturtium microphyllum |
30 |
| orange hawkweed |
Hieracium aurantiacum |
4 |
| oriental bittersweet |
Celastrus orbiculatus |
140 |
| Oriental paperbush |
Edgeworthia chrysantha |
1 |
| ornamental jewelweed |
Impatiens glandulifera |
142 |
| oxeye daisy |
Leucanthemum vulgare |
3 |
| Pacific poison-oak |
Toxicodendron diversilobum |
3 |
| Palmer amaranth |
Amaranthus palmeri |
4 |
| paper-mulberry |
Broussonetia papyrifera |
7 |
| parrot feather milfoil |
Myriophyllum aquaticum |
17 |
| pasmo disease of linseed |
Mycosphaerella linicola |
1 |
| passionflower |
Passiflora spp. |
9 |
| Pennsylvania smartweed |
Polygonum pensylvanicum |
2 |
| peppervine |
Ampelopsis spp. |
9 |
| perennial pepperweed |
Lepidium latifolium |
81 |
| perennial ryegrass |
Lolium perenne |
3 |
| perennial sowthistle |
Sonchus arvensis |
6 |
| perilla mint |
Perilla frutescens |
1 |
| Peruvian peppertree |
Schinus molle |
1 |
| pineapple-weed |
Matricaria discoidea |
2 |
| pink purslane |
Portulaca pilosa |
1 |
| pinnate mosquitofern |
Azolla pinnata |
7 |
| pitted morningglory |
Ipomoea lacunosa |
4 |
| poison-hemlock |
Conium maculatum |
5 |
| Powell amaranth |
Amaranthus powellii |
5 |
| Prairie Racerunner |
Cnemidophorus sexlineatus viridis |
1 |
| prickly lettuce |
Lactuca serriola |
17 |
| prickly sida |
Sida spinosa |
5 |
| princesstree |
Paulownia tomentosa |
66 |
| privet |
Ligustrum spp. |
16 |
| prostrate knotweed |
Polygonum aviculare |
2 |
| prostrate pigweed |
Amaranthus blitoides |
3 |
| puncturevine |
Tribulus terrestris |
14 |
| purple deadnettle |
Lamium purpureum |
6 |
| purple loosestrife |
Lythrum salicaria |
136 |
| purple nutsedge |
Cyperus rotundus |
3 |
| purple pampasgrass |
Cortaderia jubata |
11 |
| purple starthistle |
Centaurea calcitrapa |
4 |
| quackgrass |
Elymus repens |
1 |
| Queen Anne's lace, wild carrot |
Daucus carota |
4 |
| red morningglory |
Ipomoea coccinea |
2 |
| red sesbania |
Sesbania punicea |
1 |
| red sorrel |
Rumex acetosella |
51 |
| redroot flatsedge |
Cyperus erythrorhizos |
2 |
| redroot pigweed |
Amaranthus retroflexus |
8 |
| redstem stork's bill |
Erodium cicutarium ssp. cicutarium |
1 |
| reed canarygrass |
Phalaris arundinacea |
145 |
| reed mannagrass |
Glyceria maxima |
26 |
| rock fumewort |
Pseudofumaria lutea |
1 |
| rough peavine |
Lathyrus hirsutus |
3 |
| rush skeletonweed |
Chondrilla juncea |
2 |
| Russian knapweed |
Rhaponticum repens |
5 |
| Russian-olive |
Elaeagnus angustifolia |
30 |
| Russian-thistle |
Salsola tragus |
14 |
| rye brome |
Bromus secalinus |
1 |
| sacred bamboo |
Nandina domestica |
15 |
| Sakhalin corktree |
Phellodendron sachalinense |
8 |
| Sakhalin knotweed |
Fallopia sachalinensis |
21 |
| saltbush |
Atriplex spp. |
3 |
| saltcedar |
Tamarix ramosissima |
18 |
| sapodilla |
Manilkara zapota |
5 |
| scarlet pimpernel |
Lysimachia arvensis |
2 |
| Scotch broom |
Cytisus scoparius |
44 |
| Scotch thistle |
Onopordum acanthium |
24 |
| sea fig |
Carpobrotus chilensis |
1 |
| seashore dropseed |
Sporobolus virginicus |
1 |
| Seaside rose |
Rosa rugosa |
120 |
| sensitive plant |
Mimosa spp. |
3 |
| sericea lespedeza |
Lespedeza cuneata |
13 |
| shepherd's-purse |
Capsella bursa-pastoris |
7 |
| shoebutton ardisia |
Ardisia elliptica |
32 |
| showy dewflower |
Drosanthemum floribundum |
2 |
| showy milkweed |
Asclepias speciosa |
2 |
| shrubby lespedeza |
Lespedeza bicolor |
2 |
| Siberian elm |
Ulmus pumila |
2 |
| sicklepod |
Senna obtusifolia |
2 |
| silky windgrass |
Apera spica-venti |
3 |
| silver hairgrass |
Aira caryophyllea |
11 |
| skunk-vine |
Paederia foetida |
8 |
| skunkbush sumac |
Rhus trilobata |
1 |
| slender snakecotton |
Froelichia gracilis |
23 |
| slenderflower thistle |
Carduus tenuiflorus |
1 |
| slenderleaf iceplant |
Mesembryanthemum nodiflorum |
1 |
| small broomrape |
Orobanche minor |
5 |
| small carpetgrass, joint-head grass |
Arthraxon hispidus |
25 |
| small flower touch-me-not |
Impatiens parviflora |
2 |
| smallflower umbrella sedge |
Cyperus difformis |
1 |
| smokebush |
Buddleja madagascariensis |
23 |
| smooth bedstraw |
Galium mollugo |
23 |
| smooth brome |
Bromus inermis |
1 |
| smooth groundcherry |
Physalis longifolia var. subglabrata |
2 |
| smooth hawksbeard |
Crepis capillaris |
3 |
| smooth pigweed |
Amaranthus hybridus |
7 |
| soapbush |
Clidemia hirta |
2 |
| sorghum |
Sorghum bicolor |
5 |
| southern brassbuttons |
Cotula australis |
3 |
| spiny amaranth |
Amaranthus spinosus |
1 |
| spotted knapweed |
Centaurea stoebe |
113 |
| spotted knapweed |
Centaurea stoebe ssp. micranthos |
14 |
| spotted water hemlock |
Cicuta maculata var. angustifolia |
2 |
| spreading dayflower |
Commelina diffusa |
1 |
| spurge |
Euphorbia spp. |
1 |
| squarrose knapweed |
Centaurea virgata |
2 |
| star-of-Bethlehem |
Ornithogalum umbellatum |
47 |
| stinking chamomile |
Anthemis cotula |
4 |
| strawberry guava |
Psidium cattleianum |
1 |
| sulfur cinquefoil |
Potentilla recta |
11 |
| sweet autumn virginsbower |
Clematis terniflora |
35 |
| sweetgum |
Liquidambar styraciflua |
2 |
| Sycamore maple |
Acer pseudoplatanus |
31 |
| Syrian beancaper |
Zygophyllum fabago |
7 |
| tall buttercup |
Ranunculus acris |
6 |
| tall fescue |
Festuca arundinacea |
3 |
| tall flatsedge |
Cyperus eragrostis |
3 |
| tall ironweed |
Vernonia gigantea |
2 |
| tall waterhemp |
Amaranthus tuberculatus |
11 |
| tamarisk |
Tamarix spp. |
20 |
| tansy ragwort |
Senecio jacobaea |
103 |
| Tatarian honeysuckle |
Lonicera tatarica |
45 |
| tawny daylily |
Hemerocallis fulva |
1 |
| thistle |
Cirsium spp. |
2 |
| thorny olive |
Elaeagnus pungens |
2 |
| Thunberg lespedeza |
Lespedeza thunbergii |
1 |
| Thunberg's geranium |
Geranium thunbergii |
53 |
| toadflax |
Linaria spp. |
1 |
| toothpick ammi |
Ammi visnaga |
2 |
| torpedograss |
Panicum repens |
16 |
| tree-of-heaven |
Ailanthus altissima |
147 |
| trifoliate orange |
Poncirus trifoliata |
6 |
| tropic croton |
Croton glandulosus var. septentrionalis |
1 |
| tropical soda apple |
Solanum viarum |
2 |
| true forget-me-not |
Myosotis scorpioides |
37 |
| tumble pigweed |
Amaranthus albus |
1 |
| tungoil tree |
Vernicia fordii |
10 |
| turkeyberry |
Solanum torvum |
9 |
| tussock paspalum |
Paspalum quadrifarium |
1 |
| twoleaf watermilfoil |
Myriophyllum heterophyllum |
3 |
| velvetleaf |
Abutilon theophrasti |
22 |
| Venice mallow |
Hibiscus trionum |
2 |
| venus-comb |
Scandix pecten-veneris |
2 |
| violet |
Viola spp. |
2 |
| Virginia pepperweed |
Lepidium virginicum |
5 |
| wall lettuce |
Mycelis muralis |
66 |
| Washington fan palm |
Washingtonia robusta |
1 |
| water snowflake |
Nymphoides indica |
6 |
| water-chestnut |
Trapa natans |
26 |
| watercresses and yellowcresses |
Nasturtium spp. |
7 |
| waterhyacinth |
Eichhornia crassipes |
83 |
| waterlettuce |
Pistia stratiotes |
25 |
| watermilfoil |
Myriophyllum spp. |
3 |
| watermoss |
Salvinia spp. |
7 |
| wavyleaf basketgrass |
Oplismenus hirtellus ssp. undulatifolius |
10 |
| wavyleaf thistle |
Cirsium undulatum |
1 |
| weeping lovegrass |
Eragrostis curvula |
12 |
| West Indian nightshade |
Solanum ptycanthum |
13 |
| western salsify |
Tragopogon dubius |
1 |
| western waterhemlock |
Cicuta douglasii |
1 |
| white bladderflower |
Araujia sericifera |
3 |
| white clover |
Trifolium repens |
6 |
| white mulberry |
Morus alba |
1 |
| white poplar |
Populus alba |
36 |
| whiteedge flatsedge |
Cyperus flavicomus |
2 |
| wild buckwheat |
Fallopia convolvulus |
1 |
| wild celery |
Cyclospermum leptophyllum |
3 |
| wild chervil |
Anthriscus sylvestris |
100 |
| wild four-o'clock |
Mirabilis nyctaginea |
1 |
| wild garlic |
Allium vineale |
16 |
| wild mustard |
Sinapis arvensis ssp. arvensis |
11 |
| wild parsnip |
Pastinaca sativa |
37 |
| wine raspberry |
Rubus phoenicolasius |
55 |
| winged burning bush |
Euonymus alatus |
55 |
| winged waterprimrose |
Ludwigia decurrens |
3 |
| winged yam |
Dioscorea alata |
6 |
| winter creeper |
Euonymus fortunei |
3 |
| winter creeper |
Euonymus fortunei var. radicans |
2 |
| wood stork |
Mycteria americana |
1 |
| woolly distaff thistle |
Carthamus lanatus |
2 |
| yellow chamomile |
Anthemis tinctoria |
2 |
| yellow floatingheart |
Nymphoides peltata |
33 |
| yellow groove bamboo |
Phyllostachys aureosulcata |
12 |
| yellow hornpoppy |
Glaucium flavum |
12 |
| yellow nutsedge |
Cyperus esculentus |
7 |
| yellow rocket |
Barbarea vulgaris |
9 |
| yellow starthistle |
Centaurea solstitialis |
3 |
| yellow toadflax |
Linaria vulgaris |
6 |
| yellow woodsorrel |
Oxalis stricta |
5 |
| yellowflag iris |
Iris pseudacorus |
66 |
| yellowspine thistle |
Cirsium ochrocentrum |
2 |
