O.Appel (Trpin) 1998 - Appel O, Al-Shehbaz IA (1997) Generic Limits and Taxonomy of Hornungia, Pritzelago, and Hymenolobus (Brassicaceae). Novon 7(4): 338. doi: 10.2307/3391758.
There is no corrections for Hornungia alpina subsp. austroalpina yet.