CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.
CCDB → Gymnosperms → Pinaceae → Abies → Abies × borisii-regis Mattf.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Abies borisii var. regis Mattf. | Abies × borisii-regis Mattf. | 24 | IPCN online | ||||
| Abies borisii var. regis Mattf. | Abies × borisii-regis Mattf. | 24 | IPCN online | Van Loon, J. C. & J. J. M. H. OUDEMANS. 1982. In IOPB chromosome number reports LXXV. Taxon 31: 343–344. |