Lophophora williamsii subsp. diffusa (Croizat) Scheinvar
, Fl. Cactológ. Est. Querétaro 212 (2004).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:60440695-2
- Species Name
- Lophophora williamsii (Lem. ex J.F.Cels) J.M.Coult., Contr. U.S. Natl. Herb. 3(2): 131 (1894).
- Publication
- Flora Cactológica del Estado de Querétaro: diversidad y riqueza
- Collation
- 212
- Family as entered in IPNI
- Cactaceae