Cirsium undulatum
(Nutt.) Spreng.NOT EVALUATEDPublished in Spreng. (1826). In: Syst. Veg. Ed. 16, 3: 374.
The native range of this species is W. & Central Canada to W. U.S.A. and Central Texas. It is a perennial and grows primarily in the temperate biome.
