CCDBAngiospermsCompositaePorophyllumPorophyllum ruderale var. macrocephalum (DC.) Cronquist

3 chromosome counts in Porophyllum ruderale var. macrocephalum (DC.) Cronquist:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Porophyllum ruderale var. macrocephalum (DC.) Cronquist Porophyllum ruderale subsp. macrocephalum (DC.) R. R. Johnson 11II   IPCN online Strother, J. L. 1983. More chromosome studies in Compositae. Amer. J. Bot. 70(8): 1217–1232.
  Porophyllum ruderale var. macrocephalum (DC.) Cronquist Porophyllum ruderale subsp. macrocephalum (DC.) R. R. Johnson 11   IPCN online Keil, D. J. & D. J. Pinkava. 1976. Chromosome counts and taxonomic notes for Compositae from the United States and Mexico. Amer. J. Bot. 63: 1393–1403.
!   Porophyllum ruderale var. macrocephalum (DC.) Cronquist Porophyllum ruderale subsp. macrocephalum (DC.) R. R. Johnson   22 eFlora