Steptorhamphus tuberosus (Jacq.) Grossh., Fl. Kavk. 4: 258. 1934
Steptorhamphus tuberosus, Fl. Kavk. 4: 258. 1934
is new combination for Lactuca tuberosa, Hort. Bot. Vindob. 1: 18. 1770
Steptorhamphus tuberosus, Fl. Kavk. 4: 258. 1934
Steptorhamphus tuberosus, Fl. Kavk. 4: 258. 1934
Taxon for this name