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Cirsium undulatum
wavy-leaf thistle Aster Family
Cirsium undulatum Asteraceae
--more--
common names
  wavy-leaf thistle
  gray thistle
accepted scientific name
  Cirsium undulatum (Nutt.) Spreng.
rules for finding collection records
  Cirsium undulatum (2425)
  exclude Cirsium undulatum tracyi
family name
  Asteraceae
Image Author: ©2006 Patrick Alexander
Image License: CC BY-NC-ND
Image Source
Category: Wildflowers
Flowers: No obvious petals, Many petals
Petal colors: color color
Flower size is .8 to 3. inches
Leaf: Alternate
Plant Observed 2nd week of May thru 3rd week of September
Invasive in CA

How Likely at this Location (61%)
Name Match (100%)
Plant Showiness (72%)
base map where plant found
mag select

Grassland
Disturbed
Forest
Desert
Riparian
Rocky
grid lines base