CCDBAngiospermsCompositaePorophyllumPorophyllum macrocephalum DC.

4 chromosome counts in Porophyllum macrocephalum DC.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Porophyllum macrocephalum DC. Porophyllum ruderale subsp. macrocephalum (DC.) R. R. Johnson 11(1)   Asteracea Turner & F. 1966 Amer. J. Bot.
  Porophyllum macrocephalum DC. Porophyllum ruderale subsp. macrocephalum (DC.) R. R. Johnson 11   IPCN66 Turner & Flyr 1966
  Porophyllum macrocephalum DC. Porophyllum ruderale subsp. macrocephalum (DC.) R. R. Johnson 11   IPCN67-71 POWELL, A.M. & s. SIKES. 1970. Chromosome numbers of some chihuahuan desert Compositae. Southw. Naturalist 15: 175-186.
  Porophyllum macrocephalum DC. Porophyllum ruderale subsp. macrocephalum (DC.) R. R. Johnson   22 Fedorov, 1974 Turner, Flyr 1966