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CCDB → Angiosperms → Cactaceae → Echinocereus → Echinocereus engelmannii (Parry) Lem.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Echinocereus engelmannii | Echinocereus engelmannii (Parry) Lem. | 22 | Baker, 2009 | |||
| ! | Echinocereus engelmannii var. engelmannii | Echinocereus engelmannii (Parry) Lem. | 11 | IPCN online | Pinkava, D. J., J. P. Rebman & M. A. Baker. 1998. Chromosome numbers in some cacti of western North America---VII. Haseltonia 6: 32–41. | ||
| Echinocereus engelmannii var. engelmannii | Echinocereus engelmannii (Parry) Lem. | 44 | IPCN online | Pinkava, D. J., B. D. Parfitt, M. A. Baker & R. D. Worthington. 1992. Chromosome numbers in some cacti of western North America---VI, with nomenclatural changes. Madroño 39(2): 98–113. | |||
| Echinocereus engelmannii var. engelmannii | Echinocereus engelmannii (Parry) Lem. | 22 | 44 | 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 engelmannii var. engelmannii | Echinocereus engelmannii (Parry) Lem. | 44 | 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. | |||
| Echinocereus engelmannii var. engelmannii | Echinocereus engelmannii (Parry) Lem. | 22 | IPCN online | Pinkava, D. J., J. P. Rebman & M. A. Baker. 1998. Chromosome numbers in some cacti of western North America---VII. Haseltonia 6: 32–41. | |||
| ! | Echinocereus engelmannii var. engelmannii | Echinocereus engelmannii (Parry) Lem. | 44 | IPCN online | Pinkava, D. J., B. D. Parfitt, M. A. Baker & R. D. Worthington. 1992. Chromosome numbers in some cacti of western North America---VI, with nomenclatural changes. Madroño 39(2): 98–113. | ||
| ! | Echinocereus engelmannii (Parry) Lem. | Echinocereus engelmannii (Parry) Lem. | 44 | eFlora | |||
| ! | Echinocereus engelmannii (Parry) Lem. | Echinocereus engelmannii (Parry) Lem. | 44 | Fedorov, 1974 | Stockwell 1935 | ||
| ! | Echinocereus engelmannii (Parry) Lem. | Echinocereus engelmannii (Parry) Lem. | 44 | Darlington, 1955 | Stockwell 1935 |