Brassica
cabbage, mustard
5 species
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Brassica junceaChinese, Indian, brown mustard, leaf mustard
Distribution: Occurring in scattered locations throughout Washington; widely distributed throughout North America.
Habitat: Disturbed areas including fields, roadsides and wastelots.
Origin: Introduced from Eurasia
Flowers: May-July
Brassica napusrape, winter rape, rapeseed
Distribution: Known from only a few scattered locations in Washington; widely distributed throughout much of North America.
Habitat: Disturbed areas including fields, roadsides, and wastelots, where often escaped from cultivation.
Origin: Introduced from Eurasia
Flowers: April-June
Brassica nigrablack mustard
Distribution: Occurring in scattered locations throughout Washington; widely distributed throughout much of North America.
Habitat: Distrubed areas such as roadsides, fields, and waste lots.
Origin: Introduced from Eurasia
Flowers: May-August
Brassica oleraceacabbage, wild cabbage
Distribution: Known only from San Juan County in Washington; Washington and California; more commonly found in northeastern North America.
Habitat: Disturbed areas including fields, roadsides, and wastelots, where escaped from cultivation.
Origin: Introduced from Europe
Flowers: May-August
Brassica rapacommon mustard, field mustard, wild turnip
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east to the Atlantic Coast.
Habitat: Roadsides, fields, ditches, wastelots and other disturbed open areas.
Origin: Introduced from Europe
Flowers: April-Septemeber