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

• Echinocereus baileyi var. brunispinus Backeb.: No central spine with brown, intelacing, bristly, radials spines. Distribution: Oklahoma.
• Echinocereus melanocentrus J. Lowry: same as: Echinocereus reichenbachii subs. fitchii
• Echinocereus oklahomensis Lahman: It is one of the local forms of Echinocereus reichenbachii subs. baileyi distinguished by having 20-24 radial spines only 2 cm long and 0-2 centrals. Distribution: south-west Oklahoma.
• Echinocereus pailanus Fritz Schwarz ex Backeb.: has fine-textured pinkish-red or pink-brown pectinated spines. distribution Coahuila, (Sierra Paila)?
• Echinocereus reichenbachii (Terscheck ex Walp.) Haage jr. ex Britton & Rose: Small solitary or slowly branching cylindrical shaped cactus.It has 20 to 36, white to tan pectinatd radial spines held closely against the the ribs of the stems, organized in 2 series. Central spines usually absent.
• Echinocereus reichenbachii var. albertii L.D.Benson: This cactus has large, pretty pink flowers with a very dark center. It has dark cental spines 0, or 1, 2 to 3 mm long, purple-black in colour. The 14 to 20 radial spines are white with dark purple tips number, straight, closely pectinate, 3 to 6 mm long.
• Echinocereus reichenbachii var. albispinus (Lahman) L.D.Benson: This is a form of Echinocereus baileyi with white to delicately pinkish spines, up to 1-2 cm long.
• Echinocereus reichenbachii f. albispinus hort. non Lahman: It is intermediates between Echinocereus baileyi and Echinocereus reichenbachii subsp. caespitosus. It has white neat comb-like short spination. It is one of the smaller Echinocereus species.
• Echinocereus reichenbachii subs. armatus (Poselg. ex Engelm.) N.P.Taylor: This cactus has large, pretty pink flowers with a clearer often greenish center. It has 1 or 2 sharpen, light brown, darkly tipped spines.
• Echinocereus reichenbachii subs. baileyi (Rose) N.P.Taylor: No central spine with about 16 intelacing radials spines, that are bristly spreading and variously coloured, white, yellowish, fox red, brown or pink. Distribution: Oklahoma, Texas.
• Echinocereus reichenbachii f. brevispinum hort.: short spined form.
• Echinocereus reichenbachii subs. caespitosus (Engelm.) W.Blum & Mich.Lange in W.Blum et al.: The so called "caespitosus" is the form found in central Texas. Usually this plants lack central spines and are weakly distinguished from typical "reichenbachii".
• Echinocereus reichenbachii var. castaneus (Engelm.) nov. comb. ined.
• Echinocereus reichenbachii f. cristatus hort.: Crested form.
• Echinocereus reichenbachii subs. fitchii (Britton & Rose) N.P.Taylor: has brown central spines, much longer than white radials and large flower, slightly scented, pink-purple with dark burgundy centre. Distribution: Starr, Webb, and Zapadta Co., Texas
• Echinocereus reichenbachii subs. perbellus (Britton & Rose) N.P.Taylor: It has 0-1 central spine, fewer than 20 radials, and elliptic areoles; Range: Colorado, New Mexico, and central Texas.
• Echinocereus reichenbachii var. purpureus (Lahman) D.Parker: intermediate between Echinocereus baileyi and Echinocereus caespitosus, has reddish neat comb-like spines with bright purple flowers. Distribution: Oklhoma