Pachycereus schottii var. tenuis (G.E.Linds.) P.V.Heath in Calyx 2: 107. 1992 Pachycereus schottii var. tenuis (G.E.Linds.) P.V.Heath in Calyx 2: 107. 1992is new combination for Lophocereus schottii var. tenuis G.E.Linds. in Cact. Succ. J. (Los Angeles) 35: 187. 1963Taxon for this namePachycereus schottii var. tenuis (G.E.Linds.) P.V.Heath