Micranthocereus polyanthus subsp. alvinii M.Machado & Hofacker in Kakteen And. Sukk. 55(5): 127–133. 2004
Micranthocereus polyanthus subsp. alvinii in Kakteen And. Sukk. 55(5): 127–133. 2004
is basionym for Micranthocereus flaviflorus subsp. alvinii in Cact.-Avent. Int. 102: 30. 2014
Type: Brazil, Bahia, Morro do Chapéu, Jul 2003, M. Machado 32 (HUEFS)