| Name | Lophophora williamsii (Lemaire ex Salm-Dyck) J. M. Coulter |
| Authorship | (Lemaire ex Salm-Dyck) J. M. Coulter |
| Rank | Species |
| Placed in | Lophophora J. M. Coulter |
| GUID | urn:lsid:ipni.org:names:143606-2 |
| Citation | 1894 Contr. U.S. Natl. Herb. 3(2): 131 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Lophophora williamsii (Lemaire ex Salm-Dyck) J. M. Coulter |
| Identification made in | [no date] (4), 1961 (2), 1973 (1) |