Melocactus grisoleoviridis Buining & Brederoo in Kakteen And. Sukk. 25: 98. 1974 Melocactus grisoleoviridis Buining & Brederoo in Kakteen And. Sukk. 25: 98. 1974Taxon for this nameMelocactus grisoleoviridis Buining & Brederoo