familyBrassicaceae
genusPhysaria
speciesPhysaria douglasii
subspeciesPhysaria douglasii subsp. douglasii
Physaria douglasii subsp. douglasii
Treatment appears in FNA Volume 7. Treatment on page 635.
Cauline leaves loosely arranged, blade narrowly linear. Fruit valves: trichomes sessile.
Phenology: Flowering Apr–Jun.
Habitat: Sandy and gravelly soil, stream banks, base of granitic cliffs, sagebrush and grassy slopes, pine woods
Elevation: 100-1400 m
Distribution
B.C., Idaho, Mont., Oreg., Wash.
Discussion
Subspecies douglasii appears to be restricted mainly to river valleys.
Selected References
None.
Lower Taxa
None.