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CCDB → Angiosperms → Compositae → Grindelia → Grindelia rubricaulis DC.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Grindelia rubricaulis DC. | Grindelia hirsutula Hook. & Arn. | 12, 24 | Fedorov, 1974 | Raven et al. 1960 | ||
| ! | Grindelia rubricaulis DC. | Grindelia hirsutula Hook. & Arn. | 24 | Fedorov, 1974 | Whitaker, Steyermark 1935 t |