Neogriseocereus pruinosus (Otto ex Pfeiff.) Guiggi in Cactology 3 (Suppl. IV): 2. 2013 Neogriseocereus pruinosus (Otto ex Pfeiff.) Guiggi in Cactology 3 (Suppl. IV): 2. 2013is new combination for Echinocactus pruinosus Otto ex Pfeiff., Enum. Diagn. Cact.: 54. 1837Taxon for this nameNeogriseocereus pruinosus (Otto ex Pfeiff.) Guiggi