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Prof. Itay Mayrose Lab – Plant Evolution, Bioinformatics, & Comparative Genomics







CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.


CCDBAngiospermsCompositaeCirsiumCirsium tioganum (Congdon) Petr.

2 chromosome counts in Cirsium tioganum (Congdon) Petr.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Cirsium tioganum (Congdon) Petr. Cirsium scariosum var. americanum (A. Gray) D. J. Keil   32,34 IPCN online Ownbey, G. B., P. H. Raven & D. W. Kyhos. 1975 [1976]. Chromosome numbers in some North American species of the genus Cirsium. III. Western United States, Mexico, and Guatemala. Brittonia 27(4): 297–304.
!   Cirsium tioganum (Congdon) Petr. Cirsium scariosum var. americanum (A. Gray) D. J. Keil   34 IPCN67-71 OWNBEY, G.B., & Y-T. HSI. 1969. Chromosome numbers in some North American species of the genus Cirsium. II. Western United states. Madrono 20: 225-228.