Echinocactus williamsii var. luteus Rouhier

, Trav. Lab. Matiere Méd. Ecole Super. Pharm. Paris 17: 62, fig. 31 (1927).
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:87803-2
Species Name
Echinocactus williamsii Lem. ex J.F.Cels, Ann. Fl. Pomone 10: 354 (1842).
Publication
Travaux de Laboratoire de Matiere Médicale de l'Ecole Superieure de Pharmacie de Paris
Collation
17: 62, fig. 31
Family as entered in IPNI
Cactaceae

Links

Nomenclatural link
Lophophora echinata var. lutea (Rouhier) Croizat, Desert Pl. Life 16: 44 (1944).
Nomenclatural link
Lophophora lutea (Rouhier) Backeb., Cactaceae (Backeberg) 5: 2901 (1961).
Nomenclatural link
Lophophora williamsii var. lutea (Rouhier) Soulaire, Cact. Mèd. 121 (1948).