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CCDB → Angiosperms → Cactaceae → Echinocereus → Echinocereus coccineus Engelm.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Echinocereus arizonicus Rose ex Orcutt | Echinocereus coccineus Engelm. | 11 | Baker, 2009 | |||
| ! | Echinocereus arizonicus subsp. nigrihorridispinus W. Blum & Rutow | Echinocereus coccineus Engelm. | 11 | Baker, 2009 | |||
| ! | Echinocereus coccineus | Echinocereus coccineus Engelm. | 22 | Baker, 2009 | |||
| ! | Echinocereus coccineus subsp. paucispinus (Engelm.) W. Blum | Echinocereus coccineus Engelm. | 22 | Baker, 2009 | |||
| ! | Echinocereus coccineus subsp. rosei (Wooton & Standl.) W. Blum & Rutow | Echinocereus coccineus Engelm. | 22 | Baker, 2009 | |||
| ! | Echinocereus triglochidiatus var. neomexicanus (Standl.) W. T. Marshall | Echinocereus coccineus Engelm. | 22 | IPCN online | Pinkava, D. J. & B. D. Parfitt. 1982. Chromosome numbers in some cacti of western North America IV. Bull Torrey Bot. Club. 109: 121–128. | ||
| ! | Echinocereus triglochidiatus var. neomexicanus (Standl.) W. T. Marshall | Echinocereus coccineus Engelm. | c.44 | IPCN online | WEEDIN, J. F., A. M. Powell & D. O. Kolle. 1989. Chromosome numbers in Chihuahuan Desert Cactaceae. II. Trans-Pecos Texas. S. W. Naturalist 34: 160–164. | ||
| ! | Echinocereus triglochidiatus var. neomexicanus (Standl.) W. T. Marshall | Echinocereus coccineus Engelm. | ca.44 | IPCN online | Weedin, J. F. & A. M. Powell. 1978. Chromosome numbers in Chihuahuan desert Cactaceae. Trans-Pecos Texas. Amer. J. Bot. 65: 531–537. | ||
| ! | Echinocereus triglochidiatus var. melanacanthus (Engelm.) L. D. Benson | Echinocereus coccineus Engelm. | ca 44 | IPCN online | WEEDIN, J. F. & A. M. POWELL. 1980. In Chromosome number reports LXIX. Taxon 29: 716–718. | ||
| ! | Echinocereus triglochidiatus var. melanacanthus (Engelm.) L. D. Benson | Echinocereus coccineus Engelm. | 22 | IPCN online | Pinkava, D. J., L. A. MCGILL & T. REEVES. 1977. Chromosome numbers in some cacti of western North America---III. Bull. Torrey Bot. Club 104: 105–110. | ||
| ! | Echinocereus triglochidiatus var. melanacanthus (Engelm.) L. D. Benson | Echinocereus coccineus Engelm. | 22 | 44 | IPCN online | Weedin, J. F. & A. M. Powell. 1978. Chromosome numbers in Chihuahuan desert Cactaceae. Trans-Pecos Texas. Amer. J. Bot. 65: 531–537. | |
| ! | Echinocereus triglochidiatus var. paucispinus (Engelm.) W. T. Marshall | Echinocereus coccineus Engelm. | c.22 | IPCN online | WEEDIN, J. F., A. M. Powell & D. O. Kolle. 1989. Chromosome numbers in Chihuahuan Desert Cactaceae. II. Trans-Pecos Texas. S. W. Naturalist 34: 160–164. | ||
| ! | Echinocereus triglochidiatus var. paucispinus (Engelm.) W. T. Marshall | Echinocereus coccineus Engelm. | 44 | IPCN online | Weedin, J. F. & A. M. Powell. 1978. Chromosome numbers in Chihuahuan desert Cactaceae. Trans-Pecos Texas. Amer. J. Bot. 65: 531–537. | ||
| Echinocereus coccineus Engelm. | Echinocereus coccineus Engelm. | 44 | IPCN online | Powell, A. M., A. D. Zimmerman & R. A. Hilsenbeck. 1991. Experimental documentation of natural hybridization in Cactaceae: origin of Lloyd's hedgehog cactus, Echinocereus @xlloydii. Pl. Syst. Evol. 178: 107–122. | |||
| Echinocereus coccineus Engelm. | Echinocereus coccineus Engelm. | 22 | IPCN online | Baker, M. 2006. A new florally dimorphic hexaploid, Echinocereus yavapaiensis sp. nov. (section Triglochidiatus, Cactaceae) from central Arizona. Pl. Syst. Evol. 258: 63–83. | |||
| Echinocereus arizonicus subsp. matudae (Bravo) Rutow | Echinocereus coccineus Engelm. | 11 | IPCN online | Baker, M. 2006. A new florally dimorphic hexaploid, Echinocereus yavapaiensis sp. nov. (section Triglochidiatus, Cactaceae) from central Arizona. Pl. Syst. Evol. 258: 63–83. | |||
| Echinocereus arizonicus subsp. nigrihorridispinus W. Blum & Rutow | Echinocereus coccineus Engelm. | 11 | IPCN online | Baker, M. 2006. A new florally dimorphic hexaploid, Echinocereus yavapaiensis sp. nov. (section Triglochidiatus, Cactaceae) from central Arizona. Pl. Syst. Evol. 258: 63–83. | |||
| Echinocereus canyonensis Clover & Jotter | Echinocereus coccineus Engelm. | 22 | IPCN online | Baker, M. 2006. A new florally dimorphic hexaploid, Echinocereus yavapaiensis sp. nov. (section Triglochidiatus, Cactaceae) from central Arizona. Pl. Syst. Evol. 258: 63–83. | |||
| ! | Echinocereus arizonicus Rose ex Orcutt | Echinocereus coccineus Engelm. | 11 | IPCN online | Baker, M. 2006. A new florally dimorphic hexaploid, Echinocereus yavapaiensis sp. nov. (section Triglochidiatus, Cactaceae) from central Arizona. Pl. Syst. Evol. 258: 63–83. | ||
| ! | Echinocereus triglochidiatus var. melanacanthus (Engelm.) L. D. Benson | Echinocereus coccineus Engelm. | 22 | 44 | IPCN75-78 | Weedin & Powell 1978a | |
| ! | Echinocereus triglochidiatus var. melanacanthus (Engelm.) L. D. Benson | Echinocereus coccineus Engelm. | 22 | IPCN75-78 | Pinkava et al. 1977 | ||
| ! | Echinocereus triglochidiatus var. neomexicanus (Standl.) W. T. Marshall | Echinocereus coccineus Engelm. | ca.44 | IPCN75-78 | Weedin & Powell 1978a | ||
| ! | Echinocereus triglochidiatus var. paucispinus (Engelm.) W. T. Marshall | Echinocereus coccineus Engelm. | 44 | IPCN75-78 | Weedin & Powell 1978a | ||
| ! | Echinocereus triglochidiatus var. melanacanthus (Engelm.) L. D. Benson | Echinocereus coccineus Engelm. | 22 | IPCN73-74 | PINKAVA, D.J., M.G. MCLEOD, L.A. MCGILL, & R.C. BROWN. 1973. Chromosome numbers in some cacti of western North America-II. Brittonia 25: 2-9. | ||
| ! | Echinocereus arizonicus Rose ex Orcutt | Echinocereus coccineus Engelm. | 22 | eFlora | |||
| ! | Echinocereus coccineus Engelm. | Echinocereus coccineus Engelm. | 44 | eFlora |