Discocactus araneispinus Buining & Brederoo, Discocactus: 39. 1976
Discocactus araneispinus, Discocactus: 39. 1976
is basionym for Discocactus zehntneri subsp. araneispinus in Kakteen And. Sukk. 46: 64. 1995
is basionym for Discocactus zehntneri var. araneispinus in Succulenta (Netherlands) 69: 215. 1990