Subspecies, varieties, forms and cultivars of plants belonging to the Echinocereus polyacanthus group

• Echinocereus mombergerianus G.Frank
• Echinocereus plomosus hort.: It is a highly branching plant that forms large clumps and blooms abundantly, just as a small specimen.
• Echinocereus polyacanthus Engelm. in Wisliz.: Very variable species with beautiful deep red flowers, with many petals that form the shape of a cup and a wooly tube.
• Echinocereus polyacanthus subs. acifer (Otto ex Salm-Dyck) N.P.Taylor
• Echinocereus polyacanthus var. densus (Regel) N.P.Taylor
• Echinocereus polyacanthus subs. huitcholensis (F.A.C.Weber) N.P.Taylor
• Echinocereus polyacanthus subs. pacificus (Engelm. ex Orcutt) Breckw.