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Cirsium quercetorum
Alameda County thistle Aster Family
Cirsium quercetorum Asteraceae
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common name
  Alameda County thistle
accepted scientific name
  Cirsium quercetorum (A. Gray) Jeps.
rules for finding collection records
  Cirsium quercetorum (196)
family name
  Asteraceae
Image Author: ©2014 Zoya Akulova
Image License: CC BY-NC
Image Source
Category: Wildflowers
Flowers: No obvious petals, Many petals
Petal colors: color
Leaf: Alternate
Plant Observed 2nd week of March thru 2nd week of August

How Likely at this Location (14%)
Name Match (100%)
Plant Showiness (54%)
Links to Plant Photos
Cal Photos (52)
Wikimedia Commons (2)
Jay Sullivan (1)
base map where plant found
mag select

Grassland
Meadow
grid lines base