CCDBAngiospermsCompositaeHeleniumHelenium microcephalum DC.

6 chromosome counts in Helenium microcephalum DC.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Helenium microcephalum DC. Helenium microcephalum DC. 13(2)   Asteracea Powell et al. 1975 Amer. J. Bot.
  Helenium microcephalum var. microcephalum Helenium microcephalum DC. 13(1)   Asteracea Weedin & P. 1980 Taxon
  Helenium microcephalum DC. Helenium microcephalum DC. 13   IPCN online Powell, A. M., D. W. KYHOS & P. H. Raven. 1975. Chromosome numbers in Compositee. XI. Helenieae. Amer. J. Bot. 62: 1100–1103.
  Helenium microcephalum var. microcephalum Helenium microcephalum DC. 13   IPCN online WEEDIN, J. F. & A. M. POWELL. 1980. In Chromosome number reports LXIX. Taxon 29: 716–718.
!   Helenium microcephalum var. microcephalum Helenium microcephalum DC.   26 IPCN72 GRASHOFF, J.L., M.W. BIERNER, & D.K. NORTHINGTON. 1972. Chromosome numbers in North and Central American Compositae. Brittonia 24: 379-394.
  Helenium microcephalum var. microcephalum Helenium microcephalum DC.   26 eFlora