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Cirsium horridulum
yellow thistle Aster Family
Cirsium horridulum Asteraceae
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common names
  yellow thistle
  bristly thistle
  horrid thistle
  bull thistle
accepted scientific name
  Cirsium horridulum Michx.
rules for finding collection records
  Carduus spinosissimus (26)
  Cirsium horridulum (1196)
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 last week of January thru 2nd week of August

How Likely at this Location (34%)
Name Match (100%)
Plant Showiness (90%)
base map where plant found
mag select

Disturbed
Sand
Riparian
Grassland
Forest
Native Plant Status
native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map native status map
native Native
native Not Present

grid lines base