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As classified in WFO snapshot

December 2023

latest classification for this taxon

variety

Cirsium clavatum var. osterhoutii (Rydb.) D.J.Keil

This variety name was first published in Sida 21(1): 212 (2004) Link to external nomenclature reference

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-0000110248.

Synonyms of Cirsium clavatum var. osterhoutii (Rydb.) D.J.Keil

Name Author Protologue Nomenclator WFO link
Cirsium araneans Rydb. Fl. Rocky Mts. 1006, 1068 (1917) Link to external nomenclature reference wfo-0000045289
Carduus osterhoutii Rydb. Bull. Torrey Bot. Club 32: 131 (1905) Link to external nomenclature reference wfo-0000069833
Cirsium osterhoutii Petr. Beih. Bot. Centralbl. 35: 554 (1917) Link to external nomenclature reference wfo-0000107613