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CCDB → Angiosperms → Araliaceae → Oplopanax → Oplopanax horridus (Sm.) Miq.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Oplopanax horridus (Sm.) Miq. | Oplopanax horridus (Sm.) Miq. | 24 | IPCN online | Reveal, J. L. & R. Spellenberg. 1976. Miscellaneous chromosome counts of Western American plants - III. Rhodora 78: 37–52. | |||
| ! | Oplopanax horridus (Sm.) Miq. | Oplopanax horridus (Sm.) Miq. | 48 | IPCN66 | Taylor & Brockman 1966 | ||
| ! | Oplopanax horridus (Sm.) Miq. | Oplopanax horridus (Sm.) Miq. | ~48 | Fedorov, 1974 | Packer 1964 | ||
| ! | Oplopanax horridus (Sm.) Miq. | Oplopanax horridus (Sm.) Miq. | 48 | Fedorov, 1974 | Taylor R. L., Brockman 1966 |