| Cactaceae | |
Micranthocereus albicephalus
| (Buining & Brederoo) F. Ritter | Kakteen Südamer. 1: 108 | 1979 |
| Cactaceae | |
Micranthocereus alvinii
| (M. Machado & Hofacker) N.P. Taylor & M. Lowry | Bradleya 41: 131 | 2023 |
| Cactaceae | |
Micranthocereus aureispinus
| F. Ritter | Kakteen Südamer. 1: 107-108 | 1979 |
| Cactaceae | |
Micranthocereus auriazureus
| Buining & Brederoo | Cact. Succ. J. (Los Angeles) 45: 120, f. 1–5 | 1973 |
| Cactaceae | |
Micranthocereus densiflorus
| Buining & Brederoo | Cact. Succ. J. (Los Angeles) (3): 113 | 1974 |
| Cactaceae | |
Micranthocereus dolichospermaticus
| (Buining & Brederoo) F. Ritter | Kakteen Südamer. 1: 108 | 1979 |
| Cactaceae | |
Micranthocereus estevesii
| (Buining & Brederoo) F. Ritter | Kakteen Südamer. 1: 108 | 1979 |
| Cactaceae | |
Micranthocereus flaviflorus
| Buining & Brederoo | Kakteen And. Sukk. (2): 25–27 | 1974 |
| Cactaceae | |
Micranthocereus haematocarpus
| F. Ritter | | |
| Cactaceae | |
Micranthocereus lehmannianus
| (Werderm.) F. Ritter | | |
| Cactaceae | |
Micranthocereus monteazulensis
| F. Ritter | Kakteen Südamer. 1: 105-106, f. | 1979 |
| Cactaceae | |
Micranthocereus oliveirae
| P.J. Braun | Kakteen And. Sukk. 66(12): 314 | 2015 |
| Cactaceae | |
Micranthocereus polyanthus
| (Werderm.) Backeb. | Cactaceae (Berlin) 1941(2): 51 | 1942 |
| Cactaceae | |
Micranthocereus purpureus
| (Gürke) F. Ritter | Kakteen And. Sukk. 8: 157 | 1968 |
| Cactaceae | |
Micranthocereus ruficeps
| F. Ritter | | |
| Cactaceae | |
Micranthocereus streckeri
| Van Heek & Van Criek. | Kakteen And. Sukk. 37(5): 105 | 1986 |
| Cactaceae | |
Micranthocereus uilianus
| Brederoo & Bercht. | | |
| Cactaceae | |
Micranthocereus violaciflorus
| Buining | Kakteen And. Sukk. 20: 129 | 1969 |