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CCDB → Angiosperms → Compositae → Euthamia → Solidago occidentalis (Nutt.) Torr. & A. Gray
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Solidago occidentalis (Nutt.) Torr. & A. Gray | Euthamia occidentalis Nutt. | 9 | IPCN online | Keil, D. J. 1979. In IOPB chromosome number reports LXIII. Taxon 28: 271–273. | |||
| ! | Solidago occidentalis (Nutt.) Torr. & A. Gray | Euthamia occidentalis Nutt. | 18 | IPCN66 | Kapoor & Beaudry 1966 | ||
| ! | Solidago occidentalis (Nutt.) Torr. & A. Gray | Euthamia occidentalis Nutt. | 18 | Cave1963 | Beaudry 1963 |