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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 nigriceps Standl. & Steyerm.

2 chromosome counts in Cirsium nigriceps Standl. & Steyerm.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Cirsium nigriceps Standl. & Steyerm. Cirsium nigriceps Standl. & Steyerm.   36(1) Asteracea Ownbey et al. 1975 Brittonia
  Cirsium nigriceps Standl. & Steyerm. Cirsium nigriceps Standl. & Steyerm.   36 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.