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CCDB → Angiosperms → Compositae → Sphaeromeria → Sphaeromeria ruthiae A. H. Holmgren & L. M. Shultz & Lowrey
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Sphaeromeria ruthiae A. H. Holmgren & L. M. Shultz & Lowrey | Sphaeromeria ruthiae A. H. Holmgren & L. M. Shultz & Lowrey | 18(1) | Asteracea | Tkach et al. 2008 Evolution | ||
| ! | Sphaeromeria ruthiae A. H. Holmgren & L. M. Shultz & Lowrey | Sphaeromeria ruthiae A. H. Holmgren & L. M. Shultz & Lowrey | 18 | IPCN online | McArthur, E. D., S. C. Sanderson & K. T. Harper. 1989. Expansion of the known distribution of the rare Zion tansy, Sphaeromeria ruthiae (Asteraceae). S. W. Naturalist 34(3): 441–443. |