Cirsium douglasii var. douglasii
Treatment appears in FNA Volume 19. Treatment on page 133.
Revision as of 19:35, 24 September 2019 by FNA>Volume Importer
Plants to 150 cm. Cauline leaves usually deeply lobed, spines usually 7–20 mm. Heads mostly 2.5–3.5 cm. 2n = 34.
Phenology: Flowering summer (Jun–Aug).
Habitat: Springs, seeps, streamsides, coastal bluffs, coniferous and hardwood forests, often on serpentine
Elevation: 10–1200 m
Discussion
Variety douglasii grows in the Coast Ranges from Humboldt to Monterey and San Benito counties.
Selected References
None.
Lower Taxa
None.