Mediocactus inermis (Otto ex Pfeiff.) Doweld in Sukkulenty 4(1-2): 42. 2002 ["2001"] Mediocactus inermis (Otto ex Pfeiff.) Doweld in Sukkulenty 4(1-2): 42. 2002 ["2001"]is new combination for Cereus inermis Otto ex Pfeiff., Enum. Diagn. Cact.: 116. 1837Taxon for this nameMediocactus inermis (Otto ex Pfeiff.) Doweld