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Carduus acanthoides
spiny plumeless thistle Aster Family
Carduus acanthoides Asteraceae
--more--
common names
  spiny plumeless thistle
  plumeless thistle
accepted scientific name
  Carduus acanthoides L.
rules for finding collection records
  Carduus acanthoides (465)
family name
  Asteraceae
Image Author: ©2012 Craig Althen,downloaded from the University of Washington Burke Museum
Image License: not-for-profit use only
Image Source Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is .6 to 1. inches
Leaf: Alternate
Plant Observed 2nd week of May thru end of October
Invasive in AZ, CA, CO, MD, MN, NE, NC, SD, WA, WV, WY. Noxious weed in OR.

How Likely at this Location (19%)
Name Match (100%)
Plant Showiness (54%)
base map where plant found

Disturbed
Grassland
Riparian
grid lines base