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CCDB → Angiosperms → Compositae → Helenium → Helenium apterum (S. F. Blake) Bierner
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Helenium apterum (S. F. Blake) Bierner | Helenium apterum (S. F. Blake) Bierner | 17(1) | Asteracea | Keil & S. 1977 Amer. J. Bot. | |||
| ! | Helenium apterum (S. F. Blake) Bierner | Helenium apterum (S. F. Blake) Bierner | 17 | IPCN online | Keil, D. J. & T. F. Stuessy. 1977. Chromosome counts of Compositae from Mexico and the United States. Amer. J. Bot. 64: 791–798. |