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Cirsium quercetorum
Alameda County thistle Aster Family
Cirsium quercetorum Asteraceae
common name
  Alameda County thistle
accepted scientific name
  Cirsium quercetorum (A. Gray) Jeps.
rules for finding collection records
  Cirsium quercetorum (196)
family name
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 (63)
Jay Sullivan (1)
Wikimedia Commons (1)
base map where plant found
mag select

Native Plant Status
native status map native status map
native Native
native Not Present

grid lines base