Rebutia mentosa subsp. purpurea (Donald & A.B.Lau) Donald ex D.R.Hunt in Cactaceae Consensus Init. 3: 6. 1997
Rebutia mentosa subsp. purpurea in Cactaceae Consensus Init. 3: 6. 1997
is new combination for Weingartia purpurea in Ashingtonia 1(5): 53. 1974