CCDBAngiospermsCompositaeHeleniumHelenium microcephalum var. microcephalum

4 chromosome counts in Helenium microcephalum var. microcephalum:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Helenium microcephalum var. microcephalum Helenium microcephalum DC. 13(1)   Asteracea Weedin & P. 1980 Taxon
  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