Distribution: Occurring in scattered locations west of the Cascades crest in lowland western Washington; British Columbia to California, also in the southern U.S.
Habitat: Lawns, meadows, roadsides, wastelots, and other disturbed areas at low elevation.
Flowers: April-June
Origin: Introduced from Europe
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Polycarpon tetraphyllum ssp. tetraphyllum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Polycarpon tetraphyllum ssp. tetraphyllum checklist entry.
OregonFlora: Polycarpon tetraphyllum ssp. tetraphyllum information.
E-Flora BC: Polycarpon tetraphyllum ssp. tetraphyllum atlas page.
CalPhotos: Polycarpon tetraphyllum ssp. tetraphyllum photos.
USDA Plants: Polycarpon tetraphyllum ssp. tetraphyllum information.
