Calymmanthium substerile F.Ritter in Kakteen And. Sukk. 13: 25. 1962
Calymmanthium substerile in Kakteen And. Sukk. 13: 25. 1962
Holotype: Peru, Jaén; lower part of Huancabamba gorge, Bucara [Pucará], 1954, Ritter FR 315 (U 097800B).
Calymmanthium substerile in Kakteen And. Sukk. 13: 25. 1962