Calymmanthium substerile subsp. fertile (F.Ritter) Guiggi in Cactology 5 (Suppl. II): 1. 2016
Calymmanthium substerile subsp. fertile in Cactology 5 (Suppl. II): 1. 2016
is new combination for Calymmanthium fertile, Kakteen Südamerika 4: 1266. 1981