Lactuca singularis Wilmott in J. Bot. 68: 79. 1930
Lactuca singularis in J. Bot. 68: 79. 1930
is basionym for Steptorhamphus singularis in Candollea 29: 333. 1974
is replaced synonym for Lactuca perennis subsp. granatensis in Candollea 36: 237. 1981
Lactuca singularis in J. Bot. 68: 79. 1930