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CCDB → Angiosperms → Arecaceae → Washingtonia → Washingtonia sonorae S. Watson
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Washingtonia sonorae S. Watson | Washingtonia robusta H. Wendl. | 36 | Fedorov, 1974 | Eichhom 1957 |