Echinofossulocactus flexispinus Bravo in Cact. Suc. Mex. 14: 44. 1969
Echinofossulocactus flexispinus in Cact. Suc. Mex. 14: 44. 1969
is basionym for Echinofossulocactus crispatus f. flexispinus in Calyx 2: 86. 1992
Echinofossulocactus flexispinus in Cact. Suc. Mex. 14: 44. 1969
Taxon for this name