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CCDB → Gymnosperms → Cupressaceae → Pinus → Pinus washoensis H. Mason & Stockw.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Pinus washoensis H. Mason & Stockw. | Pinus ponderosa Douglas ex C. Lawson | 24 | IPCN73-74 | SAYLOR, L.C. 1972. Karyotype analysis of the genus Pinus - Subgenus Pinus. Silvae Genet. 21: 155-163. | ||
| ! | Pinus washoensis H. Mason & Stockw. | Pinus ponderosa Douglas ex C. Lawson | 24 | eFlora |