CCDBAngiospermsCompositaeTownsendiaTownsendia incana Nutt.

10 chromosome counts in Townsendia incana Nutt.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Townsendia incana Nutt. Townsendia incana Nutt.   18(2) Asteracea Beaman 1954 Madrono
  Townsendia incana Nutt. Townsendia incana Nutt. 27+1frag.(1)   Asteracea Watson 1973 Southw. Naturalist
  Townsendia incana Nutt. Townsendia incana Nutt. 9   IPCN online  
  Townsendia incana Nutt. Townsendia incana Nutt. 9+0-1   IPCN online Brown, G. K. & M. Thompkins. 1982. In: IOPB chromosome number reports LXXVII. Taxon 31: 773–774.
  Townsendia incana Nutt. Townsendia incana Nutt. 27I,36II   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.
  Townsendia incana Nutt. Townsendia incana Nutt. 27+1f   IPCN73-74 WATSON, T.J., Jr. 1973. Chromosome numbers in Compositae from the southwestern United states. Southw. Naturalist 18: 117-124.
!   Townsendia incana Nutt. Townsendia incana Nutt.   18 eFlora  
!   Townsendia arizonica A. Gray Townsendia incana Nutt.   18 Cave1956supp Beaman 1954
!   Townsendia incana None Townsendia incana Nutt.   28, 30 Cave1956supp Beaman 1954
  Townsendia incana Nutt. Townsendia incana Nutt. 9 18, c.27, c.30,29, 36 Cave1959 Beaman 1957