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CCDB → Angiosperms → Compositae → Sphaeromeria → Tanacetum nuttallii Torr. & A. Gray
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Tanacetum nuttallii Torr. & A. Gray | Sphaeromeria argentea Nutt. | 9(1) | Asteracea | Powell et al. 1974 Amer. J. Bot. | |||
| ! | Tanacetum nuttallii Torr. & A. Gray | Sphaeromeria argentea Nutt. | 9 | IPCN73-74 | POWELL, A.M., D.W. KYHOS, & P.H. RAVEN. 1974. Chromosome numbers in Compositae. X. Amer. J. Bot. 61: 909-913. |