CCDBAngiospermsCompositaeDoellingeriaAster umbellatus var. umbellatus

2 chromosome counts in Aster umbellatus var. umbellatus:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Aster umbellatus var. umbellatus Doellingeria umbellata (Mill.) Nees   18 IPCN online Semple, J. C., J. G. Chmielewski & C. Leeder. 1991. A multivariate morphometric study and revision of Aster subg. Doellingeria sect. Triplopappus (Compositae: Astereae): the Aster umbellatus complex. Canad. J. Bot. 69: 256–276.
  Aster umbellatus var. umbellatus Doellingeria umbellata (Mill.) Nees 9II   IPCN online Semple, J. C., J. Zhang & C. Xiang. 1993. Chromosome number determinations in fam. Compositae, tribe Astereae. V. Eastern North American taxa. Rhodora 95: 234–253.