Avena
oats
3 species
Show only taxa with photos
Order by:
Scientific name
Common name
Display as:
Avena barbata – barbed oats
Distribution: Occurring chiefly west of the Cascades crest in Washington; Washington to California, east to Montana, Arizona, and New Mexico.
Habitat: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced Eurasian
Flowers: May-June
Growth Duration: Annual
Distribution: Occurring chiefly west of the Cascades crest in Washington; Washington to California, east to Montana, Arizona, and New Mexico.
Habitat: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced Eurasian
Flowers: May-June
Growth Duration: Annual
Avena fatua – wild oats
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced from Eurasia
Flowers: May-September
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: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced from Eurasia
Flowers: May-September
Growth Duration: Annual
Avena sativa – cultivated oats
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced from the Mediterranean region
Flowers: June-August
Growth Duration: Annual
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced from the Mediterranean region
Flowers: June-August
Growth Duration: Annual
