Echinofossulocactus densispinus Tiegel ex Pechanek in Cactus (Antwerp) 3: 132. 1971
Echinofossulocactus densispinus in Cactus (Antwerp) 3: 132. 1971
is basionym for Echinofossulocactus boedekerianus f. densispinus in Calyx 2: 86. 1992
Echinofossulocactus densispinus in Cactus (Antwerp) 3: 132. 1971
Taxon for this name