Echinocereus pectinatus var. rubispinus G. Frank & A. B. Lau
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Echinocereus pectinatus Engelm.)
Echinocereus rigidissimus var. rubispinus (G. Frank) N. P. Taylor
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Echinocereus rigidissimus (Engelm.) J.N.Haage)