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CCDB → Angiosperms → Cactaceae → Escobaria → Coryphantha robertii A. Berger
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Coryphantha robertii A. Berger | Escobaria emskoetteriana (Quehl) Borg | 11 | 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. | |||
| ! | Coryphantha robertii A. Berger | Escobaria emskoetteriana (Quehl) Borg | 22 | eFlora |