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CCDB → Angiosperms → Compositae → Rudbeckia → Rudbeckia occidentalis Nutt.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Rudbeckia occidentalis Nutt. | Rudbeckia occidentalis Nutt. | 18(1) | Asteracea | Cox & U. 1994 Castanea | |||
| Rudbeckia occidentalis Nutt. | Rudbeckia occidentalis Nutt. | 18 | IPCN online | Cox, P. B. & L. E. Urbatsch. 1994. A taxonomic revision of Rudbeckia subg. Macrocline (Asteraceae: Heliantheae: Rudbeckiinae). Castanea 59(4): 300–318. | |||
| ! | Rudbeckia occidentalis Nutt. | Rudbeckia occidentalis Nutt. | 36 | eFlora | |||
| ! | Rudbeckia occidentalis Nutt. | Rudbeckia occidentalis Nutt. | 36 | Fedorov, 1974 | Perdue 1959 |