CCDBAngiospermsCompositaeHeterothecaHeterotheca sessiliflora var. fastigiata (Greene) Semple

1 chromosome count in Heterotheca sessiliflora var. fastigiata (Greene) Semple:

Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Heterotheca sessiliflora var. fastigiata (Greene) Semple Heterotheca sessiliflora subsp. fastigiata (Greene) Semple 9II   IPCN online Semple, J. C., C. Xiang, J. Zhang, M. Horsburgh & R. Cook. 2001. Chromosme number determinations in Fam. Compositae, tribe Astereae. VI. Western North American taxa and comments on generic treatments of North American asters. Rhodora 103: 202–218.