Echinocactus sclerothrix Lehm. in Index Seminum (HBG, Hamburgensis). 1938 Echinocactus sclerothrix Lehm. in Index Seminum (HBG, Hamburgensis). 1938Taxon for this nameEchinocactus sclerothrix Lehm. in Index Seminum (HBG, Hamburgensis). 1938
