Cirsium pulcherrimum (Rydb.) K. Schum.
Annotated by Peter Lesica, Feb 2008.

Montana: Custer County: [locality and coordinates withheld; status in Montana: S3 (Rare; MTNHP)],
Common Name: Canada thistle
Locality: hillside
Amount of Moisture: Moderate
Amount of Shade: Partially shaded by scrub cedar
Kind of Soil: Loam
Height of Plant: 6 to 18 inches
Exposure: Sheltered
Color of Flower: Lavender
Land ever planted: No
Recently plowed: No
Land grazed: Horses and cattle
Not irrigated Biological Project of Montana, N.Y.A. Phenology: Flowers.

Eva L. Roberts 599, Jun 21, 1936
MONTU, Accession: 27066