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.


CCDBAngiospermsCompositaeSymphyotrichumAster borealis (Torr. & A. Gray) Prov.

8 chromosome counts in Aster borealis (Torr. & A. Gray) Prov.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Aster borealis (Torr. & A. Gray) Prov. Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve   16, 32 IPCN online Chmielewski, J. G. 1986. Documented plant chromosome numbers 1986. 1. Miscellaneous counts in Aster (Compositae). Sida 11: 483–485.
  Aster borealis (Torr. & A. Gray) Prov. Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve   32 IPCN online Semple, J. C. & J. G. Chmielewski. 1987. Chromosome number determinations in fam. Compositae, tribe Astereae. II. Additional counts. Rhodora 89: 319–325.
  Aster borealis (Torr. & A. Gray) Prov. Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve   16 IPCN online Semple, J. C. 1983. Range expansion of Heterotheca camporum (Compositae: Asteraceae) in the southeastern United States. Brittonia 35(2): 140–146.
  Aster borealis (Torr. & A. Gray) Prov. Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve   16, 32 IPCN online Semple, J. C., J. G. Chmielewski & M. E. Lane. 1989. Chromosome number determinations in fam. Compositae, tribe Astereae. III. Additional counts and comments on generic limits and ancestral base numbers. Rhodora 91: 296–314.
  Aster borealis (Torr. & A. Gray) Prov. Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve   64 IPCN online Semple, J. C., J. Zhang & C. Xiang. 1993. Chromosome number determinations in fam. Compositae, tribe Astereae. V. Eastern North American taxa. Rhodora 95: 234–253.
  Aster borealis (Torr. & A. Gray) Prov. Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve 32 II 32 IPCN online Semple, J. C. 1981. In Chromosome number reports LXXll. Taxon 30: 703–704.
  Aster borealis (Torr. & A. Gray) Prov. Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve   16 IPCN online Semple, J. C. & L. Brouillet. 1980. Chromosome numbers and satellite chromosome morphology in Aster and Lasallea. Amer. J. Bot. 67(7): 1027–1039.
  Aster borealis (Torr. & A. Gray) Prov. Symphyotrichum boreale (Torr. & A. Gray) Á. Löve & D. Löve 16 II, 24 II, 32 II 16 IPCN online Jones, A. G. 1980. Data on chromosome numbers in Aster (Asteraceae) with comments on the status and relationships of certain North American species. Brittonia 32(2): 240–261.