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Snapshots of the taxonomy

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As classified in WFO snapshot

May 2019

Warning: older classification

species

Lactuca biennis (Moench) Fernald

This species name was first published in Rhodora 42: 300 (1940)  

At the time of this classification snapshot, this species 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-0000033444.

Synonyms of Lactuca biennis (Moench) Fernald

Name Author Protologue Nomenclator WFO link
Lactuca terrae-novae Fernald 240 wfo-0000002359
Agathyrsus floridanus D.Don 1829 wfo-0000006651
Lactuca biennis f. biennis wfo-0000007775
Mulgedium leucophaeum DC. 250 1838 wfo-0000008135
Sonchus spicatus Lam. Encycl. (Lamarck) 3(2): 401 1792 wfo-0000009983
Lactuca leucophaea A.Gray Proc. Amer. Acad. Arts xix. (1883) 73 wfo-0000010568
Cicerbita canadensis var. integrifolia (Torr. & A.Gray) Farw. Rep. (Annual) Commiss. Parks Boulevards Detroit 11 93 1900 wfo-0000027832
Galathenium multiflorum (DC.) Nutt. 443 1841 wfo-0000036784
Lactuca spicata f. spicata wfo-0000049305
Cicerbita spicata var. spicata wfo-0000050805
Mulgedium leucophaeum var. leucophaeum wfo-0000051890
Lactuca spicata var. spicata wfo-0000055683
Mulgedium spicatum var. spicatum wfo-0000057517
Mulgedium spicatum (Lam.) Small 316 1913 wfo-0000078069
Cicerbita spicata (Lam.) Beauverd 124 1910 wfo-0000083394
Lactuca spicata (Lam.) Kuntze Revis. Gen. Pl. 1: 349 1891 wfo-0000090175
Cicerbita spicata var. integrifolia Beauverd 124 1910 wfo-0000094909
Mulgedium spicatum var. integrifolium (Torr. & A.Gray) Small wfo-0000100317
Lactuca spicata var. integrifolia (Torr. & A.Gray) Britton Memoirs of the Torrey Botanical Club 5(23): 350 1894 wfo-0000106916
Cicerbita leucophaea Wallr. 434 1822 wfo-0000125701
Sonchus leucophaeus Willd. Sp. Pl. iii. 1520. 1803 wfo-0000130923
Sonchus biennis Moench Methodus (Moench) 545. 1794 [4 May 1794] wfo-0000137686