You selected Cnicus discolor Muhl. ex Willd. This is a synonym for:

Accepted scientific name:
Cirsium discolor (Muhl. ex Willd.) Spreng. (provisionally accepted name)
Synonyms:
Carduus discolor (Muhl. ex Willd.) Nutt. (synonym)
Cnicus discolor Muhl. ex Willd. (synonym)
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Asterales
Family Asteraceae
Genus Cirsium
Distribution: -
Additional data: Data Providers: New Zealand Plant Name Database, Govaerts World Compositae Checklist A-G, IPNI, Tropicos, LCR Editor. GCC LSID: urn:lsid:compositae.org:names:E6E1AD38-8E33-4587-8B34-D5AB351B3581
Source database: GCC, 1 (Beta), Nov 2009
Latest taxonomic scrutiny: Flann C., 17-Nov-09
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:1f0ca63a-60a7-102d-be47-00304854f810:ac2010