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CCDB → Angiosperms → Cactaceae → Echinocereus → Echinocereus knippelianus Liebner
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Echinocereus knippelianus Liebner | Echinocereus knippelianus Liebner | 22 | IPCN online | Cota, J. H. & C. T. Philbrick. 1994. Chromosome number variation and polyploidy in the genus Echinocereus (Cactaceae). Amer. J. Bot. 81(8): 1054–1062. | |||
| Echinocereus knippelianus Liebner | Echinocereus knippelianus Liebner | 22 | IPCN online | Cota, J. H. & R. S. Wallace. 1995. Karyotypic studies in the genus Echinocereus (Cactaceae) and their taxonomic significance. Caryologia 48(2): 105–122. |