Page authors: Don Knoke, David Giblin
Sinapis arvensis
charlock, corn mustard, wild mustard

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.

Habitat: Waste places and other disturbed areas.

Flowers: May-June

Origin: Introduced from the Mediterranean region, reaching North America perhaps as early as 8000 years bp (Jacobson et al. 1988)

Growth Duration: Annual

Conservation Status: Not of concern


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Accepted Name:
Sinapis arvensis L.
Publication: Sp. Pl. 2: 668. 1753.

Synonyms & Misapplications:
Brassica arvensis Rabenh., homonym (illegitimate)
Brassica kaber (DC.) L.C. Wheeler [HC]
Brassica kaber (DC.) L.C. Wheeler var. pinnatifida (Stokes) L.C. Wheeler [Peck]
Brassica sinapistrum Boiss.
Sinapis kaber DC.
Additional Resources:

PNW Herbaria: Specimen records of Sinapis arvensis in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Sinapis arvensis checklist entry.

E-Flora BC: Sinapis arvensis atlas page.

CalPhotos: Sinapis arvensis photos.

USDA Plants: Sinapis arvensis information.

10 photographs:
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