Rebutia nigricans subsp. carmeniana (Rausch) Mosti in Cactus & Co. 4: 44. 2000 Rebutia nigricans subsp. carmeniana (Rausch) Mosti in Cactus & Co. 4: 44. 2000is new combination for Rebutia carmeniana Rausch in Kakteen And. Sukk. 29(5): 105. 1978Taxon for this nameRebutia nigricans subsp. carmeniana (Rausch) Mosti