{# load django_bootstrap5#%} CCDB server
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 it to the forms submit new counts, or report erroneous counts.


CCDBAngiospermsBrassicaceaeDrabaDraba crassifolia Graham

22 chromosome counts in Draba crassifolia Graham:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Draba crassifolia Graham Draba crassifolia Graham 20   IPCN online Dalgaard, V. 1989. Additional chromosome numbers in vascular plants from the Disko Bugt area (west Greenland). Willdenowia 19: 199–213.
  Draba crassifolia Graham Draba crassifolia Graham c.20 40 IPCN online Brochmann, C., L. Borgen & B. Stedje. 1992. Crossing relationships and chromosome numbers of Nordic populations of Draba (Brassicaceae), with emphasis on the D. alpina complex. Nordic J. Bot. 13: 121–147.
  Draba crassifolia Graham Draba crassifolia Graham   64 IPCN online Brochmann, C. 1993. Reproductive strategies of diploid and polyploid populations of arctic Draba (Brassicaceae). Pl. Syst. Evol. 185: 55–83.
  Draba crassifolia Graham Draba crassifolia Graham 20 40 IPCN online Mulligan, G. A. 1975. Draba crassifolia, D. albertina, D. nemorosa, and D. stenoloba in Canada and Alaska. Canad. J. Bot. 53: 745–751.
  Draba crassifolia Graham Draba crassifolia Graham 20   IPCN online Windham, M. D. 2003. Chromosome counts and taxonomic notes on Draba (Brassicaceae) of the intermountain west. 2: Idaho, Nevada, and vicinity. Madroño 50(4): 221–231.
  Draba crassifolia Graham Draba crassifolia Graham 20,40   IPCN66 Mulligan 1966b
!   Draba crassifolia Graham Draba crassifolia Graham 20   IPCN72 ENGELSKJOEN, T., & G. KNABEN. 1971. Chromosome numbers of Scandinavian arctic-alpine plant species. III. Acta Boreal., A, Scientia No. 28: 1-30.
  Draba crassifolia Graham Draba crassifolia Graham 20   IPCN75-78 Mulligan 1975
!   Draba crassifolia Graham Draba crassifolia Graham   40 eFlora  
!   Draba crassifolia Graham Draba crassifolia Graham 20   Warwick, 2006 Mulligan
!   Draba crassifolia Graham Draba crassifolia Graham 20   Warwick, 2006 Mulligan
!   Draba crassifolia Graham Draba crassifolia Graham 20   Warwick, 2006 Heilborn
!   Draba crassifolia Graham Draba crassifolia Graham 20   Warwick, 2006 Dalgaard
!   Draba crassifolia Graham Draba crassifolia Graham 20   Warwick, 2006 Engelskjn & Knaben
!   Draba crassifolia Graham Draba crassifolia Graham 20   Warwick, 2006 Brochmann et al.
!   Draba crassifolia Graham Draba crassifolia Graham 20   Warwick, 2006 Brochmann et al.
!   Draba crassifolia Graham Draba crassifolia Graham 20   Warwick, 2006 Windham
!   Draba crassifolia Graham Draba crassifolia Graham   40 Warwick, 2006 Mulligan
!   Draba crassifolia Graham Draba crassifolia Graham   40 Warwick, 2006 Mulligan
!   Draba crassifolia Graham Draba crassifolia Graham   40 Warwick, 2006 Brochmann et al.
!   Draba crassifolia Graham Draba crassifolia Graham   40 Warwick, 2006 Petrovsky & Zhukova
!   Draba crassifolia Graham Draba crassifolia Graham   40 Darlington, 1955 Heilborn 1941