About Petrocallis pyrenaica (L.) W.T.Aiton
Petrocallis is a genus of flowering plants in the Brassicaceae family. The genus contains only one species, Petrocallis pyrenaica. This species is a subshrub that is native to the subalpine regions of the Pyrenees, Alps, and Carpathian mountains, which are located in southern and east-central Europe.