See text Sempervivella Stapf[1] Rosularia is a small genus of the family Crassulaceae.

[4][5] He further divided it into two sections (Eu-Rosularia and Ornithogalopsis) and further series,[6] transferring some species of Sedum to it.

[6] The genus is now placed within the Leucosedum clade, tribe Sedeae, subfamily Sempervivoideae of the Crassulaceae, but is embedded within Sedum paraphyletically.

The following species and subspecies were accepted by The Plant List (2013):[9][10] Rosularia is found in arid and semi-arid regions from North Africa (Morocco, Ethiopia), through the eastern Mediterranean to Central Asia (north of Tien Shan and east of W Himalaya), including Pakistan.

[6][5] Rosularia is an important larval host for the Central Asian butterfly Parnassius apollonius.