Ptilotrichum C.A. Mey. in Ledeb., Fl. Altaica 3: 64. 1831.

Notes. – Prior to the use of molecular phylogenetic studies in assessing generic relationships and boundaries in the Brassicaceae, Ptilotrichum was so broadly delimited to encompass as many as 30 species (see IPNI, 2019) currently placed in several genera of different tribes, especially Aurinia Desv. (DUDLEY, 1964c), Bornmuellera Hausskn., and Hormathophylla Cullen & T.R. Dudley of the Alysseae (DUDLEY & CULLEN, 1965; ŠPANIEL et al., 2015) and Stevenia Fisch. of the Stevenieae (GERMAN & AL-SHEHBAZ, 2011) .

The generic type of Ptilotrichum was transferred to Stevenia by KRANSOBOROV & GERMAN (2007).