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Snapshots of the taxonomy

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As classified in WFO snapshot

December 2023

Warning: older classification

variety

Cirsium douglasii var. breweri (A.Gray) D.J.Keil & C.E.Turner

This variety name was first published in Phytologia 73(4): 313 (1992): (1992)  

At the time of this classification snapshot, this variety name was accepted by WFO (placed as the accepted name of a taxon). Its description and other taxonomic data can be found on World Flora Online, id: wfo-0000126367.

Synonyms of Cirsium douglasii var. breweri (A.Gray) D.J.Keil & C.E.Turner

Name Author Protologue Nomenclator WFO link
Cnicus breweri A.Gray Proc. Amer. Acad. Arts 10: 43 (1874) wfo-0000019148
Carduus breweri (A.Gray) Greene Proc. Acad. Nat. Sci. Philadelphia 44: 363 (1893) wfo-0000023224
Cirsium breweri subsp. breweri wfo-0000049974
Cirsium breweri var. breweri wfo-0000054212
Cnicus breweri var. breweri wfo-0000076757
Cirsium breweri var. canescens Petr. Beih. Bot. Centralbl. 35: 462 (1917) wfo-0000103214
Cirsium douglasii var. canescens (Petr.) J.T.Howell Leafl. W. Bot. 9: 11 (1959) wfo-0000103250
Cirsium breweri (A.Gray) Jeps. Fl. W. Calif. : 507 (1901) wfo-0000136889