Echinocactus ferox
Placement status: name or taxon excluded (unspecific) (An incorrect Tropicos record. Sprengel did not publish the cited name at the indicated location. The referenced page mentions 'E. ferox. Lab.', which clearly refers to Echinocactus gibbosus var. ferox and is not a new name.)
Echinocactus ferox in Monatsschr. Kakteenk. 4: 193. 1894 sec. Korotkova 2022+1 wfo-0001288436