favicon Wildflower Identification Website.        Search for wildflowers by location, color, shape and time.       Click here for Instructions.       Login
Search Results
Carduus tenuiflorus
winged plumeless thistle Aster Family
Carduus tenuiflorus Asteraceae
--more--
common names
  winged plumeless thistle
  slender flowered thistle
accepted scientific name
  Carduus tenuiflorus W. Curtis
rules for finding collection records
  Carduus tenuiflorus (247)
family name
  Asteraceae
Image Author: ©2011 Zoya Akulova
Image License: CC BY-NC
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color color
Flower size is .25 to .5 inches
Leaf: Alternate
Plant Observed beginning of April thru 1st week of September
Invasive in CA, WA. Noxious weed in OR.

How Likely at this Location (15%)
Name Match (100%)
Plant Showiness (45%)
Links to Plant Photos
Cal Photos (35)
Wikimedia Commons (7)
base map where plant found

Disturbed
Grassland
Forest
Riparian
Brush
grid lines base