Pediocactus johnsonii (Parry ex Engelm.) Halda in Acta Mus. Richnov., Sect. Nat., 5: 24. 1998
Pediocactus johnsonii in Acta Mus. Richnov., Sect. Nat., 5: 24. 1998
is new combination for Echinocactus johnsonii, Botany (Fortieth Parallel): 117. 1871
Pediocactus johnsonii in Acta Mus. Richnov., Sect. Nat., 5: 24. 1998
Taxon for this name