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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.


CCDBAngiospermsSaxifragaceaeHeucheraHeuchera richardsonii R. Br.

7 chromosome counts in Heuchera richardsonii R. Br.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Heuchera richardsonii R. Br. Heuchera richardsonii R. Br.   28 IPCN online Love, A. & D. Love. 1982. In: A Löve (ed.), IOPB chromosome number reports LXXV. Taxon 31(2): 344–360.
  Heuchera richardsonii R. Br. Heuchera richardsonii R. Br. 7   IPCN online Wells, E. F. 1984. A revision of the genus Heuchera (Saxifragaceae) in eastern North America. Syst. Bot. Monogr. 3: 45–121.
  Heuchera richardsonii R. Br. Heuchera richardsonii R. Br.   14 IPCN online Soltis, D. E. 1980. Karyotypic relationships among species of Boykinia, Heuchera, Mitella, Sullivania, Tiarella and Tolmica (Saxifragaceae). Syst. Bot. 5: 17–29.
  Heuchera richardsonii R. Br. Heuchera richardsonii R. Br.   28 IPCN66 Love & Ritchie 1966
!   Heuchera richardsonii R. Br. Heuchera richardsonii R. Br.   14,28 eFlora  
!   Heuchera richardsonii R. Br. Heuchera richardsonii R. Br.   14 Fedorov, 1974 Hamel 1953
!   Heuchera richardsonii R. Br. Heuchera richardsonii R. Br.   28 Fedorov, 1974 Uive A., Ritchie 1966