Weeds PCA: Weed ID QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
Redroot Pigweed
(Amaranthus retroflexus) - (answer)Summer annual
Yellow starthistle (Centaurea solstitialis) - (answer)Winter annual
Hairy fleabane (Conyza bonariensis) - (answer)Summer annual
Horseweed (Conyza canadensis) - (answer)Winter/summer annual
Prickly lettuce (Lactuca serriola) - (answer)Winter annual
Common groundsel (Senecio vulgaris) - (answer)Winter annual
Annual sowthistle (Sonchus oleraceus) - (answer)Winter annual
Coast fiddleneck (Amsinckia menziesii var. intermedia) - (answer)Winter annual
Black mustard (Brassica nigra) - (answer)Winter annual
Shepherd's purse (Capsella bursa-pastoris) - (answer)Winter or Summer annual
London Rocket (Sisymbrium irio) - (answer)Winter annual
Common chickweed (Stellaria media) - (answer)Winter annual
Common lambsquarters (Chenopodium album) - (answer)Summer annual
, Weeds PCA: Weed ID QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
Russian thistle (Salsola tragus) - (answer)Summer annual
Field bindweed (Convolvulus arvensis) - (answer)Perennial
Morningglories (Ipomoea spp.) - (answer)Some annual, some perennial
Spotted spurge (Euphorbia maculata) - (answer)Summer annual
Black medic (Medicago lupulina) - (answer)Perennial
Filaree (Erodium spp.) - (answer)Winter annual or biennial
Henbit (Lamium amplexicaule) - (answer)Winter annual
Velvetleaf (Abutilon theophrasti) - (answer)Summer annual
Mallow (Malva spp.) - (answer)Summer annual
Bermuda buttercup; Buttercup oxalis (Oxalis pes-caprae) - (answer)Perennial
Common knotweed (Polygonum arenastrum) - (answer)Perennial
Smartweeds (Polygonum spp.) - (answer)Perennial
Purslane (Portulaca olearcea) - (answer)Perennial
Jimsonweed (Datura stramonium) - (answer)Summer annual
ANSWERS) |ALREADY GRADED A+
Redroot Pigweed
(Amaranthus retroflexus) - (answer)Summer annual
Yellow starthistle (Centaurea solstitialis) - (answer)Winter annual
Hairy fleabane (Conyza bonariensis) - (answer)Summer annual
Horseweed (Conyza canadensis) - (answer)Winter/summer annual
Prickly lettuce (Lactuca serriola) - (answer)Winter annual
Common groundsel (Senecio vulgaris) - (answer)Winter annual
Annual sowthistle (Sonchus oleraceus) - (answer)Winter annual
Coast fiddleneck (Amsinckia menziesii var. intermedia) - (answer)Winter annual
Black mustard (Brassica nigra) - (answer)Winter annual
Shepherd's purse (Capsella bursa-pastoris) - (answer)Winter or Summer annual
London Rocket (Sisymbrium irio) - (answer)Winter annual
Common chickweed (Stellaria media) - (answer)Winter annual
Common lambsquarters (Chenopodium album) - (answer)Summer annual
, Weeds PCA: Weed ID QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
Russian thistle (Salsola tragus) - (answer)Summer annual
Field bindweed (Convolvulus arvensis) - (answer)Perennial
Morningglories (Ipomoea spp.) - (answer)Some annual, some perennial
Spotted spurge (Euphorbia maculata) - (answer)Summer annual
Black medic (Medicago lupulina) - (answer)Perennial
Filaree (Erodium spp.) - (answer)Winter annual or biennial
Henbit (Lamium amplexicaule) - (answer)Winter annual
Velvetleaf (Abutilon theophrasti) - (answer)Summer annual
Mallow (Malva spp.) - (answer)Summer annual
Bermuda buttercup; Buttercup oxalis (Oxalis pes-caprae) - (answer)Perennial
Common knotweed (Polygonum arenastrum) - (answer)Perennial
Smartweeds (Polygonum spp.) - (answer)Perennial
Purslane (Portulaca olearcea) - (answer)Perennial
Jimsonweed (Datura stramonium) - (answer)Summer annual