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CCDB → Angiosperms → Compositae → Rudbeckia → Rudbeckia maxima Nutt.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Rudbeckia maxima Nutt. | Rudbeckia maxima Nutt. | 18(1) | Asteracea | Razaq et al. 1994 Ann. Missouri Bot. Gard. | |||
| Rudbeckia maxima Nutt. | Rudbeckia maxima 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 maxima Nutt. | Rudbeckia maxima Nutt. | 18 | IPCN online | Razaq, Z. A., A. A. Vahidy & S. I. Ali. 1994. Chromosome numbers in Compositae from Pakistan. Ann. Missouri Bot. Gard. 81: 800–808. | |||
| ! | Rudbeckia maxima Nutt. | Rudbeckia maxima Nutt. | 36 | eFlora | |||
| Rudbeckia maxima Nutt. | Rudbeckia maxima Nutt. | 36 | Fedorov, 1974 | Perdue 1959 | |||
| ! | Rudbeckia maxima Nutt. | Rudbeckia maxima Nutt. | 36 | Cave1959 | Perdue 1959 |