Cactaceae of the Serra Geral, Monte Azul, Minas Gerais (Brazil) revisited

A checklist of Cactaceae found during the ascent of the Serra Geral, east of Monte Azul, Minas Gerais (Brazil) is presented, listing 17 species, the second most cactus-diverse area known in Eastern Brazil. Slightly below the crest of the serra, in Campo Rupestre, a white sand habitat for Cipocereus pusilliflorus is illustrated together with other cacti observed in the area and its conservation status is discussed.