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Cirsium vulgare
bull thistle Aster Family
Cirsium vulgare Asteraceae
--more--
common names
  bull thistle
  spear thistle
accepted scientific name
  Cirsium vulgare (Savi) Ten.
rules for finding collection records
  Cirsium lanceolatum (62)
  Cirsium vulgare (4530)
family name
  Asteraceae
Image Author: ©2008 Keir Morse
Image License: CC BY-NC-SA
Image Source
Category: Wildflowers
Flowers: No obvious petals, Branching cluster of flowers
Petal colors: color color
Flower size is about 1.8 inches
Leaf: Alternate, Simple, Lobed
Plant Observed beginning of May thru 3rd week of October
Not Native. Invasive in CO, IA, MD, MN, NM, PA, WA. Noxious weed in OR.

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

Disturbed
Riparian
Forest
Grassland
Meadow
grid lines base