CCDBAngiospermsCompositaeRatibidaRatibida columnaris (Pursh) D. Don

2 chromosome counts in Ratibida columnaris (Pursh) D. Don:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Ratibida columnaris (Pursh) D. Don Ratibida columnifera (Nutt.) Wooton & Standl. 14   IPCN online Pinkava, D. J. & D. J. Keil. 1977. Chromosome counts of Compositae from the United States and Mexico. Amer. J. Bot. 64: 680–686.
!   Ratibida columnaris (Pursh) D. Don Ratibida columnifera (Nutt.) Wooton & Standl.   27, 26 Cave1959 Perdue 1959