Place of Publication
Succulenta (Netherlands) 38(4): 76 (1959)
References
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Ritter (1959d)
Ritter, F. 1959. Horridocactus garaventai Ritter sp. nov. Succulenta (Netherlands) 38(4): 41-43
Horridocactus engleri
Eriosyce engleri
(F.Ritter) Katt.
Succulenta (Netherlands) 38(4): 76 (1959)
Ritter, F. 1959. Horridocactus garaventai Ritter sp. nov. Succulenta (Netherlands) 38(4): 41-43