Mount Vernon Northwestern Washington Research and Extension Center

Vegetable Research and Extension

Photo collage of watermelon tasting, tractor, dry beans

Weed Photo Identification

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Radish Hairy nightshade Corn spurry Witchgrass
(Raphanus sativus)
Hairy nightshade
(Solanum sarrachoides)
Corn spurry
(Spergula arvensis)
(Panicum sapillare)
Fringed Sagebrush Prickly lettuce Wild oat Mayweed chamomile
Fringed sagebrush
(Artemisia frigida)
Prickly lettuce
(Lactuca serriola)
Wild Oat
(Avena fatua)
Mayweed chamomile
(Anthemis cotula)
Lesser snapdragon Barnyardgrass Redroot pigweed Prostrate knotweed
Lesser snapdragon
(Antirrhinum orontium)
(Echinochloa crus-galli)
Redroot pigweed
(Amaranthus retroflexus)
Prostrate knotweed
(Polygonum aviculare)
Broadleaf plantain Field horsetail Pale smartweed White clover
Broadleaf plantain
(Plantago major)
Field horsetail
Equisetum arvense
Pale smartweed
(Polygonum lapathifolium)
White clover
(Trifolium repens)
Canada thistle Henbit Smooth hawksbeard Annual sowthistle
Canada thistle
(Cirsium arvense)
(Lamium amplexicaule)
Smooth hawksbeard
(Crepis capillaries) (possible)
Annual sowthistle
(Sonchus oleraceus)
Black medic
Black medic
(Medicago lupulina)

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