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Cirsium horridulum
yellow thistle Aster Family
Cirsium horridulum Asteraceae
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common name
  yellow thistle
accepted scientific name
  Cirsium horridulum Michx.
rules for finding collection records
  Carduus spinosissimus
  Cirsium horridulum
family name
  Asteraceae
Image Author: James H. Miller, USDA Forest Service, Bugwood.org
Image License: CC BY
Image Source
Category: Wildflowers
Flowers: No obvious petals, Many petals
Petal colors: color color color
Flower size is about 3 inches
Leaf: Alternate
Plant Observed 2nd week of January thru 2nd week of August

How Likely at this Location (39%)
Name Match (100%)
Plant Showiness (90%)
base map where plant found

Disturbed
Riparian
Grassland
Forest
grid lines base