Turbinicarpus

Turbinicarpus hoferi ?
Turbinicarpus hoferi Lüthy & Lau (Syn. Pediocactus hoferi, Neolloydia hoferi) ?; bloomed only once in August; Cactus Flower ID2...
Turbinicarpus horripilus
Turbinicarpus horripilus (Lem.) V. John & Ríha, Kaktusy 19:22. 1983 (syn: (≡) Gymnocactus horripilus (Lem.) Backeb.; (≡) Mammillaria horripila Lem. (basionym); (≡)...