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Snapshots of the taxonomy

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As classified in WFO snapshot

June 2023

Warning: older classification

variety

Cirsium scariosum var. americanum (A.Gray) D.J.Keil

This variety name was first published in Sida 21(1): 215 (2004)  

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-0000102037.

Synonyms of Cirsium scariosum var. americanum (A.Gray) D.J.Keil

Name Author Protologue Nomenclator WFO link
Carduus tioganus A.Heller Muhlenbergia 1: 147 (1906) wfo-0000000020
Cirsium tioganum Petr. Beih. Bot. Centralbl. 35: 560 (1917) wfo-0000006364
Cirsium acaulescens Daniels Univ. Missouri Stud., Sci. Ser. ii. n.° 2, 254 (1911). wfo-0000020098
Cirsium acaulescens K.Schum. Bot. Jahresber. (Just) 29, pt. 1: 566. 1903 wfo-0000020653
Carduus acaulescens Rydb. Bull. Torrey Bot. Club 28: 508 (1901) wfo-0000034537
Carduus americanus (A.Gray) Greene Proc. Acad. Nat. Sci. Philadelphia 1892: 362 (1893) wfo-0000034980
Cnicus americanus A.Gray Proc. Amer. Acad. Arts xix. (1884) 56. wfo-0000044674
Carduus americanus (A.Gray) Rydb. Bull. Torrey Bot. Club 28 508 1901 wfo-0000072867
Carduus longissimus A.Heller Muhlenbergia 3: 134 (1907) wfo-0000074121
Cnicus tioganus Congdon Erythea 7: 186 (1900) wfo-0000077902
Cirsium drummondii var. acaulescens J.F.Macbr. Contr. Gray Herb. 53: 22 (1918) wfo-0000091730
Cirsium drummondii subsp. vexans Petr. Beih. Bot. Centralbl. 35: 359 (1917) wfo-0000097485
Cirsium drummondii var. vexans Piper Beih. Bot. Centralbl. 35: 360 (1917) wfo-0000098662
Cirsium coloradense subsp. longissimum Petr. Beih. Bot. Centralbl. 35: 371 (1917) wfo-0000102174
Cirsium acaule var. americanum A.Gray Proc. Amer. Acad. Arts 1863: 68 (1863) wfo-0000105312
Cirsium drummondii var. oregonense Petr. Beih. Bot. Centralbl. 35: 355 (1917) wfo-0000106402
Cirsium tioganum var. tioganum wfo-0000109202
Cirsium drummondii subsp. lanatum Petr. Beih. Bot. Centralbl. 35: 354 (1917) wfo-0000110035
Cirsium coloradense subsp. acaulescens Petr. Beih. Bot. Centralbl. 35: 370 (1917) wfo-0000111704
Cnicus drummondii var. acaulescens Rydb. wfo-0000112980
Cnicus drummondii var. acaulescens A.Gray Proc. Amer. Acad. Arts 10: 40 (1874) wfo-0000117405
Cirsium americanum (A.Gray) Daniels Univ. Missouri Stud., Sci. Ser. 2(2): 401 (1911) wfo-0000120675
Cirsium americanum (A.Gray) K.Schum. Bot. Jahresber. (Just) 29(1): 566. 1903 wfo-0000128111