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Cirsium hydrophilum
Suisun thistle Aster Family
Cirsium hydrophilum Asteraceae
--more--
common names
  Suisun thistle
  Mt. Tamalpais thistle
accepted scientific name
  Cirsium hydrophilum (Greene) Jeps.
rules for finding collection records
  Cirsium hydrophilum (34)
  Cirsium vaseyi (1)
family name
  Asteraceae
Image Author: ©2010 Doug Wirtz
Image License: CC BY-NC-SA
Image Source
Category: Wildflowers
Flowers: No obvious petals
Petal colors: color
Leaf: Alternate
Plant Observed last week of May thru end of September

How Likely at this Location (11%)
Name Match (100%)
Plant Showiness (54%)
Links to Plant Photos
Cal Photos (37)
Wikimedia Commons (1)
base map where plant found
mag select

Wetland
Brush
Riparian
Meadow
Disturbed
Aquatic
grid lines base