Cirsium undulatum

Taxonavigation

Taxonavigation: Asterales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Asterids Cladus: Campanulids Ordo: Asterales

Familia: Asteraceae
Subfamilia: Carduoideae
Tribus: Cardueae
Subtribus: Carduinae
Genus: Cirsium
Species: Cirsium undulatum

Cirsium undulatum (Nutt.) Spreng., Syst. Veg., ed. 16. 3: 374 (1826).

Basionym
- Carduus undulatus Nutt., Gen. N. Amer. Pl. 2: 130 (1818).
Homotypic
- Cnicus undulatus (Nutt.) A.Gray, Proc. Amer. Acad. Arts 10: 42 (1874).
Heterotypic
- Carduus megacephalus (A.Gray) A.Nelson, New Man. Bot. Centr. Rocky Mt.: 587 (1909).
- Carduus undulatus var. megacephalus (A.Gray) Greene, Proc. Acad. Nat. Sci. Philadelphia 44: 360 (1892 publ. 1893).
- Cirsium megacephalum (A.Gray) Cockerell, Univ. Missouri Stud., Sci. Ser. 2: 254 (1911).
- Cirsium undulatum f. album Farw., Amer. Midl. Naturalist 10: 219 (1927).
- Cirsium undulatum var. franktonis B.Boivin, Phytologia 23: 113 (1972).
- Cirsium undulatum var. megacephalum (A.Gray) Fernald, Rhodora 10: 94 (1908).
- Cnicus undulatus var. megacephalus A.Gray, Proc. Amer. Acad. Arts 10: 42 (1874).

Native distribution areas:

Continental:Northern America
- - Canada (Alberta, British Columbia, Manitoba, Saskatchewan), Arizona, California, Colorado, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas Michigan, Minnesota, Missouri, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, Oregon, Pennsylvania, South Dakota, Texas, Utah, Washington, Wisconsin, Wyoming), Mexico (Baja California Norte, Chihuahua, Coahuila, Durango, Nuevo Leon, Sonora)

Govaerts, R. et al. 2024. Cirsium undulatum in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2024 June 23. Reference page.
International Plant Names Index. 2024. Cirsium undulatum. Published online. Accessed: June 23 2024.
Hassler, M. 2024. World Plants. Synonymic Checklist and Distribution of the World Flora. . Cirsium undulatum. Accessed: 23 June 2024.
Hassler, M. 2024. Cirsium undulatum. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2024. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2024 June 23. Reference page.

English: Wavyleaf thistle, gray thistle