Scorzonera undulata Vahl, Symb. Bot. 2: 86. 1791 Scorzonera undulata Vahl, Symb. Bot. 2: 86. 1791is basionym for Pseudopodospermum undulatum (Vahl) Zaika, Sukhor. & N. Kilian in PhytoKeys 137: 70. 2020Taxon for this nameScorzonera undulata Vahl, Symb. Bot. 2: 86. 1791