Prof. Itay Mayrose Lab – Plant Evolution, Bioinformatics, & Comparative Genomics
CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.
CCDB → Angiosperms → Betulaceae → Betula → Betula occidentalis Hook.
5 chromosome counts in Betula occidentalis Hook.:
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Betula occidentalis Hook. | Betula occidentalis Hook. | 28 | IPCN online | Love, A. & D. Love. 1982. In: IOPB chromosome number reports LXXVI. Taxon 31: 583–587. | |||
| Betula fontinalis Sarg. | Betula occidentalis Hook. | 28 | IPCN66 | Dugle 1966 | |||
| ! | Betula papyrifera var. occidentalis (Hook.) Sarg. | Betula occidentalis Hook. | 84, c.160 | IPCN72 | VALANNE, T. 1972. Colchicine effects and colchicine-induced polyploidy in Betula. Ann. Acad. Sci. Fenn. Ser. A. 191: 1-28. | ||
| ! | Betula occidentalis Hook. | Betula occidentalis Hook. | 28 | eFlora | |||
| ! | Betula fontinalis Sarg. | Betula occidentalis Hook. | 28 | Darlington, 1955 | 1949 |