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CCDB → Angiosperms → Cactaceae → Echinocereus → Echinocereus pectinatus var. pectinatus
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Echinocereus pectinatus var. pectinatus | Echinocereus pectinatus (Scheidw.) 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 pectinatus var. pectinatus | Echinocereus pectinatus (Scheidw.) Engelm. | 11 | IPCN online | Ross, R. 1981. Chromosome counts, cytology and reproduction in the Cactaceae. Amer. J. Bot. 68: 463–470. |