As classified in WFO snapshot
June 2023
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.
Synonyms of Lactuca biennis
| Name | Author | Protologue | Nomenclator | WFO link |
|---|---|---|---|---|
| Agathyrsus floridanus | Edinburgh New Philos. J. (1828-29) 310 | wfo-0000006651 | ||
| Lactuca biennis f. biennis | – | – | — | wfo-0000007775 |
| Sonchus spicatus | Encycl. 3: 401 (1792) | wfo-0000009983 | ||
| 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 | Fl. Lancaster Co. : 316 (1913) | wfo-0000078069 | ||
| Cicerbita spicata | Bull. Soc. Bot. Genève , ser. 2, 2: 124 (1910) | wfo-0000083394 | ||
| Mulgedium spicatum var. integrifolium | – | — | wfo-0000100317 | |
| Sonchus biennis | Methodus : 545 (1794) | wfo-0000137686 |