Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; Washington to California and Arizona, also in scattered locations in eastern North America.
Habitat: Disturbed sandy flats, roadsides, and woodlands at low elevation.
Flowers: May-July
Origin: Introduced from Eurasia and northern Africa
Growth Duration: Annual
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Herniaria hirsuta in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Herniaria hirsuta checklist entry
OregonFlora: Herniaria hirsuta information
E-Flora BC: Herniaria hirsuta atlas page
CalPhotos: Herniaria hirsuta photos