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 → Cupressaceae → Pinus → Pinus contorta var. contorta
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Pinus contorta var. contorta | Pinus contorta Douglas ex Loudon | 24 | IPCN online | Hizume, M. 1988. Karyomorphological studies in the family Pinaceae. Mem. Fac. Educ. Ehime Univ., Ser. 3, Nat. Sci. 8: 1–108. |