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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 douglasii var. breweri (A. Gray) D. J. Keil & C. E. Turner

3 chromosome counts in Cirsium douglasii var. breweri (A. Gray) D. J. Keil & C. E. Turner:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Cirsium douglasii var. canescens (Petr.) J. T. Howell Cirsium douglasii var. breweri (A. Gray) D. J. Keil & C. E. Turner   30, 34(1, 1) Asteracea Ownbey et al. 1975 Brittonia
!   Cirsium douglasii var. canescens (Petr.) J. T. Howell Cirsium douglasii var. breweri (A. Gray) D. J. Keil & C. E. Turner   30,34 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 douglasii var. breweri (A. Gray) D. J. Keil & C. E. Turner Cirsium douglasii var. breweri (A. Gray) D. J. Keil & C. E. Turner   30 eFlora