CCDBAngiospermsCompositaeEucephalusAster breweri (A. Gray) Semple

2 chromosome counts in 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.