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Italian thistle
Carduus pycnocephalus
Italian thistle Aster Family
Carduus pycnocephalus Asteraceae
common names
  Italian thistle
  Italian plumeless thistle
accepted scientific name
  Carduus pycnocephalus L.
rules for finding collection records
  Carduus pycnocephalus (2397)
family name
Image Author: ©2004 Anthony Valois and the National Park Service
Image License: public domain
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color color
Flower size is 0.5 to 1.0 inches
Leaf: Alternate
Plant Observed 2nd week of February thru 3rd week of August

How Likely at this Location (38%)
Name Match (100%)
Plant Showiness (54%)
base map where plant found
mag select

Native Plant Status
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native Not Native
native Not Present

Invasive in some regions.
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