Praepilosocereus mortensenii (Croizat) Guiggi in Cactology 2: 19. 2010 Praepilosocereus mortensenii (Croizat) Guiggi in Cactology 2: 19. 2010is new combination for Pilocereus mortensenii Croizat in Noved. Ci., Ser. Bot. no. 1: 3. 1960Taxon for this namePraepilosocereus mortensenii (Croizat) Guiggi