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CCDB → Angiosperms → Compositae → Gutierrezia → Gutierrezia sphaerocephala A. Gray
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Gutierrezia sphaerocephala A. Gray | Gutierrezia sphaerocephala A. Gray | 4(1) | Asteracea | Turner & E. 1960 Texas J. Sci. | |||
| Gutierrezia sphaerocephala A. Gray | Gutierrezia sphaerocephala A. Gray | 4, 5 | IPCN online | Lane, M. A. 1985. Taxonomy of Gutierrezia (Compositae: Astereae) in North America. Syst. Bot. 10(1): 7–28. | |||
| Gutierrezia sphaerocephala A. Gray | Gutierrezia sphaerocephala A. Gray | 4,5,8 | IPCN online | Lane, M. A. 1982. Generic limits of Xanthocephalum, Gutierrezia, Amphiachyris, Gymnosperma, Greenella, and Thurovia (Compositae: Astereae). Syst. Bot. 7(4): 405–416. | |||
| Gutierrezia sphaerocephala A. Gray | Gutierrezia sphaerocephala A. Gray | 4II+0-1B | IPCN online | Semple, J. C., J. G. Chmielewski & M. E. Lane. 1989. Chromosome number determinations in fam. Compositae, tribe Astereae. III. Additional counts and comments on generic limits and ancestral base numbers. Rhodora 91: 296–314. | |||
| ! | Gutierrezia sphaerocephala A. Gray | Gutierrezia sphaerocephala A. Gray | 8 | Fedorov, 1974 | Turner, Ellison 1960 |