Nomenclature: wfo-0001287340

Charles Christopher Parry (1823-1890) George Engelmann (1809-1884)

Echinomastus johnstonii (Parry ex Engelm.) E.M.Baxter Calif. Cactus: 75. 1935.

Nomenclatural References


Taxonomy: Synonym in 2024-06

Occurs in: 2018-07 : 2019-03 : 2019-05 : 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06 : 9999-01

Accepted name is: Sclerocactus johnsonii (Parry ex Engelm.) N.P.Taylor

Placement

Taxonomic References