Thlaspi
pennycress
1 species
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Thlaspi arvense – fanweed, field pennycress
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Weed of waste ground, low to moderate elevations.
Origin: Introduced from Eurasia
Flowers: April-August
Growth Duration: Annual
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Weed of waste ground, low to moderate elevations.
Origin: Introduced from Eurasia
Flowers: April-August
Growth Duration: Annual
