homotypic synonyms:
Cotyledon lanceolata species (Nutt.) Benth. & Hook.f. ex S. Watson; Echeveria lanceolata species Nutt.;
protologue: Bull. New York Bot. Gard. 3: 23 (1903)
6 365169 Dudleya lanceolata (Nutt.) Britton & Rose [125 368388 Echeveria lanceolata Nutt.]
W.H. Emory, Rep. U.S. Mex. Bound., vol. 2(1): (Botany of the boundary): t. 24 (1859)
Cotyledon lanceolata species (Nutt.) Benth. & Hook.f. ex S. Watson; Echeveria lanceolata species Nutt.;
protologue: Bull. New York Bot. Gard. 3: 23 (1903)
6 365169 Dudleya lanceolata (Nutt.) Britton & Rose [125 368388 Echeveria lanceolata Nutt.]W.H. Emory, Rep. U.S. Mex. Bound., vol. 2(1): (Botany of the boundary): t. 24 (1859)