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CCDB → Angiosperms → Compositae → Eucephalus → Aster breweri (A. Gray) Semple
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Aster breweri (A. Gray) Semple | Eucephalus breweri (A. Gray) G. L. Nesom | 9II | IPCN online | Semple, J. C. 1988. Aster breweri: a new combination for a rayless Aster based on Chrysopsis breweri (Compositae: Astereae). Syst. Bot. 13(4): 538–546. | |||
| Aster breweri (A. Gray) Semple | Eucephalus breweri (A. Gray) G. L. Nesom | 9II | IPCN online | Semple, J. C., J. G. Chmielewski & C. Xiang. 1992. Chromosome number determinations in fam. Compositae, tribe Astereae. IV. Additional reports and comments on the cytogeography and status of some species of Aster and Solidago. Rhodora 94: 48–62. |