Thinopyrum
wheatgrass
2 species
2 subspecies and varieties
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Thinopyrum intermediumintermediate wheatgrass
Origin: Introduced
Flowers: June - August
ssp. barbulatum – pubescent wheatgrass
ssp. intermedium – intermediate wheatgrass
Thinopyrum ponticumEurasian quack grass
Distribution: Occurring in scattered locations in the southern portion of Washington; British Columbia south to California, east to the central portion of North America.
Habitat: Disturbed areas including roadsides, wastelots, and agricultural fields.
Origin: Introduced
Flowers: May-June