(Cirsium undulatum)

Cirsium undulatum is a species in the Cirsium genus. This name is accepted name for the species in the family Asteraceae subfamily Carduoideae, tribe Cynareae, subtribe Carduinae, . This species is found in Alberta, Arizona, British Columbia, California, Colorado, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Manitoba, Mexico Northeast, Mexico Northwest, Michigan, Minnesota, Missouri, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, Oregon, Pennsylvania, Saskatchewan, South Dakota, Texas, Utah, Washington, Wisconsin, Wyoming.