As classified in WFO snapshot
July 2018
Warning: older classification
species
Lactuca biennis
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.
Literature
Synonyms of Lactuca biennis
| Name | Author | Protologue | Nomenclator | WFO link |
|---|---|---|---|---|
| Lactuca terrae-novae | – | — | wfo-0000002359 | |
| Agathyrsus floridanus | – | — | wfo-0000006651 | |
| Lactuca biennis f. biennis | – | – | — | wfo-0000007775 |
| Mulgedium leucophaeum | – | wfo-0000008135 | ||
| Sonchus spicatus | Encycl. (Lamarck) 3(2): 401 | wfo-0000009983 | ||
| Lactuca leucophaea | Proc. Amer. Acad. Arts xix. (1883) 73 | wfo-0000010568 | ||
| Cicerbita canadensis var. integrifolia | Rep. (Annual) Commiss. Parks Boulevards Detroit 11 | wfo-0000027832 | ||
| Galathenium multiflorum | – | — | 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 | – | wfo-0000078069 | ||
| Cicerbita spicata | – | — | wfo-0000083394 | |
| Lactuca spicata | Revis. Gen. Pl. 1: 349 | wfo-0000090175 | ||
| Cicerbita spicata var. integrifolia | – | — | wfo-0000094909 | |
| Mulgedium spicatum var. integrifolium | – | — | wfo-0000100317 | |
| Lactuca spicata var. integrifolia | Memoirs of the Torrey Botanical Club 5(23): | wfo-0000106916 | ||
| Cicerbita leucophaea | – | wfo-0000125701 | ||
| Sonchus leucophaeus | Sp. Pl. iii. 1520. | — | wfo-0000130923 | |
| Sonchus biennis | Methodus (Moench) 545. 1794 [4 May 1794] | wfo-0000137686 |