1 species
1 subspecies and varieties
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Herniaria hirsutahairy rupturewort
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.
Origin: Introduced from Eurasia and northern Africa
Flowers: May-July
Growth Duration: Annual
var. cinerea – hairy rupturewort