Pachycereus marginatus var. gemmatus (Otto ex Pfeiff.) P.V.Heath in Calyx 2: 106. 1992 Pachycereus marginatus var. gemmatus (Otto ex Pfeiff.) P.V.Heath in Calyx 2: 106. 1992Taxon for this namePachycereus marginatus var. gemmatus (Otto ex Pfeiff.) P.V.Heath