Mammillaria similis var. caespitosa Engelm. in Boston J. Nat. Hist. 6(2): 200. 1850

Mammillaria similis var. caespitosa Engelm. in Boston J. Nat. Hist. 6(2): 200. 1850

Mammillaria similis var. caespitosa Engelm. in Boston J. Nat. Hist. 6(2): 200. 1850
is basionym for Mammillaria nuttallii var. caespitosa Engelm. in Proc. Amer. Acad. Arts 3: 265. 1856
is basionym for Mammillaria missouriensis var. caespitosa (Engelm.) S.Watson in Smithsonian Misc. Collect. 258: 403. 1878
is basionym for Escobaria missouriensis var. caespitosa (Engelm.) D.R.Hunt in Cact. Succ. J. Gr. Brit. 40: 13. 1978
is basionym for Coryphantha missouriensis var. caespitosa (Engelm.) L.D.Benson in Cact. Succ. J. (Los Angeles) 41: 189. 1969
Lectotype (designated by Benson, L. D. 1969: 1901): United States of America, cult. in hort. Göbels, St Louis, May 1846, F. Lindheimer s.n. (MO)
Taxon for this name1. Benson, L. D. 1969: The cacti of the United States and Canada. New names and nomenclatural combinations. – Cactus and Succulent Journal 41(4): 185–190