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: 
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.
|
Wildflower Identification Website.
Search for wildflowers by location, color, shape and time.
Click here for Instructions.
Login