Scientific Name: Cirsium pumilum Spreng.
Caption: Cirsium odoratum or Cirsium pumilum var. pumilum
Photographer: Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and th
Notes: Cirsium odoratum or Cirsium pumilum var. pumilum

Full citation below:

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 552.

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