Cactaceae (Magnoliophyta)
Lophophora williamsii (Lem. ex Salm-Dyck) J.M.Coult.
Contr. U. S. Natl. Herb. 3(2): 131. 1894
View all records of Lophophora williamsii (Lem. ex Salm-Dyck) J.M.Coult.