Weed Family1

flumioxazin

sethoxydim

quizalofop

clethodim

bromoxynil

sulfentrazone

oxyfluorfen

diuron

terbacil

clomazone

trifluralin

napropamide

clopyralid

bentazon

paraquat

pendimethalin

Amaranth Amaranth, Powell (A) Amaranthus powellii

F-G

P

P

P

G

F-G

F-G

F-G

F

F

G

G

P

F

G

F-G

Pigweed , redroot (A) Amaranthus retroflexus

F-G

P

P

P

G

F-G

F-G

F-G

F

F

G

G

P

F

G

F-G

Pigweed , tumble (A) Amaranthus graecizans

—

P

P

P

G

—

G

G

F

—

G

G

P

F

G

F-G

Borage Fiddleneck, coast (A) Amsinckia intermedia

—

P

P

P

G

—

—

G

—

—

P

G

—

G

—

—

Buttercup Buttercup , celery-leaved (A) Ranunculus sceleratus

—

P

P

P

—

—

—

—

F

—

P*

—

—

—

G

—

Buttercup , creeping (P) Ranunculus repens

—

P

P

P

—

—

—

—

P

—

P*

—

—

—

P

—

Caltrop Puncturevine (A) Tribulus terrestris

—

P

P

P

G

—

—

—

F

—

G

—

P

—

G

G

Composite Catsear, spotted (P) Hypochaeris radicata

—

P

P

P

—

—

G*

P

P

—

P

P

—

P

—

—

Daisy , oxeye (P) Chrysanthemum leucanthemum

—

P

P

P

—

—

—

G*

P

—

P

P

—

F

P

—

Dandelion , common (P) Taraxacum officinale

F

P

P

P

—

P

P

F*

P

F

—

P

F-G

G*

P

P

Devil’s beggarsticks (A) Bidens frondosa

—

P

P

P

—

—

—

G

F

—

P

—

—

—

—

—

Goldenrod , Canada (P) Solidago canadensis

—

P

P

P

—

—

P

P

P

—

P

P

—

—

P

P

Goldenrod , western (P) Solidago occidentalis

—

P

P

P

—

—

P

P

P

—

P

P

—

P

P

P

Groundsel , common (A) Senecio vulgaris

F

P

P

P

F-G

F-G

G

F

F

F

F

F-G

F-G

F-G

G

P

Horseweed (A) Conyza canadensis

F-G

P

P

P

F-G

G

P

F

P

—

P

F

G

F

F

P

Lettuce , prickly (A) Lactuca serriola

F-G

P

P

P

F

F-G

F

G

F

F-G

P

G

G

F

G

P

Mayweed (A) Anthemis cotula

—

P

P

P

G

G

—

G

G

—

P

—

G

F

F

—

Pineappleweed (A) Matricaria matricarioides

—

P

P

P

G

—

—

G

G

—

P

G

G

G

G

—

Ragwort , tansy (B) Senecio jacobaea

—

P

P

P

—

—

—

P

P

—

P

P

—

P

P

—

Salsify , common (B) Tragopogon porrifolius

—

P

P

P

F*

—

F

P

P

—

P

P

G

P

F

P

Salsify , meadow (B) Tragopogon pratensis

—

P

P

P

F

—

F

P

P

—

P

P

G

P

F

P

Salsify , western (B) Tragopogon dubius

F

P

P

P

F*

F

F

P

P

F-P

P

P

G

P

F

P

Sowthistle , annual (A) Sonchus oleraceus

G

P

P

P

F-G

—

G

F

G

—

P

G

G

F

F

—

Sunflower , wild (A) Helianthus annuus

—

P

P

P

—

P

—

—

—

—

P

—

G

G

—

—

Thistle , bull (B) Cirsium vulgare

—

P

P

P

—

—

—

G

F

—

P

—

—

—

—

—

Thistle , Canada (P) Cirsium arvense

—

P

P

P

P

P

P

P

P

F

P

P

G

F

P

P

Figwort Mullein , common (B) Verbascum thapsus

—

P

P

P

—

—

—

P

—

—

—

—

P

—

F

—

Speedwell , birdseye (A) Veronica persica

—

P

P

P

F

—

G

P

F

—

G

—

P

F

G

—

Speedwell , ivyleaf (A) Veronica hederifolia

—

P

P

P

F

—

G

P

F

—

G

—

P

F

G

—

Toadflax , yellow (P) Linaria vulgaris

—

P

P

P

—

—

—

P

P

—

P

P

P

P

P

—

Geranium Filaree (A) Erodium cicutarium

—

P

P

P

G

—

G

F

G

—

F

G

—

—

F

—

Geranium , cutleaf (A) Geranium dissectum

—

P

P

P

G

—

G

G

G

—

P

G

—

—

G

—

Geranium , dovefoot (A) Geranium molle

—

P

P

P

G

—

G

G

G

—

P

G

—

—

G

—

Goosefoot Kochia (A) Kochia scoparia

G

P

P

P

G

G

F

F

G

G

G

P

P

G

G

G

Lambsquarters (A) Chenopodium album

G

P

P

P

G

G

G

G

G

G

G

G

P

F

G

G

Orach, red (A) Atriplex rosea

—

P

P

P

G

—

G

G

G

—

G

—

P

F

—

—

Thistle , Russian (A) Salsola kali

G

P

P

P

G

G

G

P

F

—

F

P

P

F

G

F

Gourd Cucumber , western wild (P) Marah oreganus

—

P

P

P

P

—

P

P

P

—

P

P

—

P

P

—

Grass Barnyardgrass (A) Echinochloa crus-galli

F

G

G

G

P

P

F

G

F

G

G

G

P

P

G

G

Bermudagrass (P) Cynodon dactylon

—

F

G

G

P

P

P

P

P

—

P

P

P

P

P

P

Bluegrass , annual (A-P) Poa annua

—

P

P

G

P

—

G

G

G

—

G

G

P

P

P

G

Bluegrass , Canada (P) Poa compressa

—

—

—

—

P

—

P

P

P

—

P

P

P

P

F

P

Bluegrass , Kentucky (P) Poa pratensis

—

F

G

F

P

—

P

P

P

—

P

P

P

P

F

P

Brome , downy (A) Bromus tectorum

—

P

F-G

F-G

P

—

—

P

G

F-G

F

G

P

P

G

F

Crabgrass, large (A) Digitaria sanguinalis

F

—

—

—

—

P

—

—

—

G

—

—

—

—

—

—

Fescue , rattail (A) Vulpia myuros

—

P

P

P

P

—

G

G

G

—

G

P

P

G

P

—

Foxtail , green (A) Setaria viridis

F

F-G

G

G

P

P

F

F

F

G

G

F

P

P

G

G

Foxtail , yellow (A) Setaria lutescens

—

G

G

G

P

P

F

F

F

G

G

G

P

P

G

G

Oat , wild (A) Avena fatua

—

G

G

G

P

—

F

P

G

—

P

G

P

P

G

G

Quackgrass (P) Elytrigia repens

—

F

G

F-G

P

P

P

P

G

F-G

P

P

P

P

F

P

Ryegrass , Italian (A-B) Lolium multiflorum

—

G

G

G

P

—

G

F

F

—

F

F

P

P

G

—

Ryegrass , perennial (P) Lolium perenne

—

G

G

G

P

—

P

P

P

—

P

P

P

P

F

—

Sandbur (A) Cenchrus longispinus

—

G

G

G

P

P

—

F

F

—

G

—

P

P

—

G

Velvetgrass (P) Holcus lanatus

—

F-G

P

F-G

P

—

P

P

G

—

P

P

P

P

F

—

Wheat , volunteer (A) Triticum aestivum

—

G

G

G

P

—

—

P

F

G

P

F

P

P

G

—

Witchgrass (A) Panicum capillare

—

G

G

G

P

—

F

P

G

—

G

G

P

P

G

—

Horsetail Horsetail , field (P) Equisetum arvense

—

P

P

P

P

—

—

P

P

—

P

P

P

P

P

P

Knotweed Buckwheat , wild (A) Polygonum convolvulus

—

P

P

P

G

—

G

G

G

—

G

—

G

G

—

—

Dock , broadleaf (P) Rumex obtusifolius

—

P

P

P

—

—

—

F**

G**

—

F

—

F

—

—

—

Knotweed , prostrate (A) Polygonum aviculare

—

P

P

P

F

—

G

F

G

—

G

F

F

F

—

—

Ladysthumb (A) Polygonum persicaria

G

P

P

P

G

G

G

F

G

—

G

—

F-G

G

—

—

Sorrel , red (P) Rumex acetosella

—

P

P

P

P

—

—

G**

G**

—

F

—

G

F

—

—

Legume Clover , hop (A) Trifolium dubium

—

P

P

P

—

—

G

—

—

—

—

—

G

P

—

P

Clover , white (P) Trifolium repens

P

P

P

P

P

—

G

P

—

—

P

P

G

P

P

P

Vetch , common (A) Vicia sativa

—

P

P

P

F

—

G

P

—

—

P

—

G

P

—

P

Vetch , hairy (A) Vicia villosa

—

P

P

P

F

—

G

P

—

—

P

—

G

P

—

P

Lily Garlic , volunteer (P) Allium sativum

—

P

P

P

P

—

P

P

F

—

P

P

P

P

G

—

Garlic , wild (P) Allium vineale

—

P

P

P

P

—

P

P

P

—

P

P

P

P

G

—

Madder Bedstraw , catchweed (A) Galium aparine

—

P

P

P

F

—

G

P

P

—

F

—

P

F

P

P

Madder , field (A) Sherardia arvensis

—

P

P

P

—

—

—

—

—

—

—

—

P

—

—

—

Mallow Mallow , common (A-B) Malva neglecta

F-G

P

P

P

F

F-G

G

P

G

G

P

G

—

G

F

P

Mint Deadnettle , red (A) Lamium purpureum

—

P

P

P

G

—

G

G

F

—

G

P

—

F

G

—

Henbit (A) Lamium amplexicaule

—

P

P

P

G

—

G

G

F

G

G

P

—

F

G

G

Morningglory Bindweed , field (P) Convolvulus arvensis

—

P

P

P

P

F

P

P

P

—

P

P

P

P

P

P

Mustard Bittercress, little (A) Cardamine oligosperma

—

P

P

P

G

—

G

G

G

—

P

G

P

—

G

P

Falseflax, smallseed (A) Camelina microcarpa

—

P

P

P

G

—

—

G

G

—

P

—

—

—

—

—

Flixweed (A) Descurainia sophia

G

P

P

P

F-G

G

G

G

G

—

P

F

P

G

G

P

Mustard , blue (A) Chorispora tenella

—

P

P

P

F-G

—

G

—

P

—

P

—

P

P

P

P

Mustard , hedge (A) Sisymbrium officinale

—

P

P

P

G

F-G

—

G

G

—

P

—

P

—

—

—

Mustard , tansy (A) Descurainia pinnata

—

P

P

P

G

—

G

G

G

—

P

—

P

—

G

—

Mustard , tumble (A) Sisymbrium altissimum

G

P

P

P

G

G

G

G

G

G

P

—

P

—

—

—

Pepperweed , field (A) Lepidium campestre

—

P

P

P

—

—

—

G

G

—

P

—

—

G

G

—

Pepperweed , yellowflower (A) Lepidium perfoliatum

—

P

P

P

G

—

G

G

G

—

P

—

—

G

G

—

Shepherdspurse (A) Capsella bursa-pastoris

G

P

P

P

F-G

G

G

G

G

—

P

P

P

G

G

—

Turnip , wild (A) Brassica campestris

—

P

P

P

G

—

G

G

G

—

P

P

P

F

G

—

Nightshade Nightshade , black (A) Solanum nigrum

G

P

P

P

G

G

G

G

G

—

P

—

G

P

—

F

Nightshade , cutleaf (A) Solenum triflorum

G

P

P

P

G

G

—

G

G

—

P

—

G

—

—

F

Nightshade , hairy (A) Solanum sarrachoides

G

P

P

P

F-G

G

G

G

G

—

P

P

G

G

—

F

Phlox Polemonium , annual (A) Polemonium micranthum

—

P

P

P

P

—

—

G

G

—

—

—

—

—

G

—

Pink Chickweed , common (A) Stellaria media

G

P

P

P

P

—

F

G

G

—

G

G

P

G

G

—

Chickweed , jagged (A) Holosteum umbellatum

—

P

P

P

P

—

P

G

G

—

G

G

P

—

G

—

Chickweed , mouseear (P) Cerastium vulgatum

G

P

P

P

P

—

F

G

G

—

G

G

P

G

G

—

Chickweed , sticky (A) Cerastium viscosum

G

P

P

P

P

—

F

G

G

—

G

G

P

G

G

—

Primrose Willowweed, panicle (A) Epilobium paniculatum

—

P

P

P

—

—

—

G

G

—

—

P

—

—

G

—

Purslane Minerslettuce (A) Montia perfoliata

—

P

P

P

F

—

—

G

G

—

F

P

—

—

G

—

Purslane , common (A) Portulaca oleracea

—

P

P

P

—

—

G

G

G

G

G

G

—

G

—

G

Rose Cinquefoil, silverweed (P) Potentilla anserina

—

P

P

P

—

—

—

P

F

—

—

—

—

—

—

—

Ladysmantle, western (A) Alchemilla occidentalis

—

P

P

P

—

—

G

G

G

—

—

—

P

—

G

—

St. Johnswort St. Johnswort (P) Hypericum perforatum

—

P

P

P

—

—

—

P

P

—

P

P

—

—

P

—

Sedge Nutsedge , yellow (P) Cyperus esculentus

P

P

P

P

P

F-G

P

P

G

—

P

P

P

F

G

P

Violet Pansy , field (P) Viola arvensis

—

P

P

P

P

—

—

P

P

—

P

—

P

P

P

P

¹ Lifespan: A = annual, B = biennial, P = perennial *Seedling stage **Germinating seed stage

G = good (85%-100%); F = fair (70%-84%); P = poor (0%-69%); (—) = limited information