{# 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.


CCDBAngiospermsBetulaceaeBetulaBetula pubescens var. pumila (L.) Govaerts

4 chromosome counts in Betula pubescens var. pumila (L.) Govaerts:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Betula tortuosa Ledeb. Betula pubescens var. pumila (L.) Govaerts   56 IPCN online Krogulevich, R. E. 1976. Rol poliploidii v genesise flory Putorana. In: L. I. Malyshev, ed. 1976 Flora Putorana: Materali k Poznaniiu Osobennostei Sostava i Genezisia Gornykh Subarkticheskikh Flor Sibir. Novosibirsk. Nauka, Novosibirsk
  Betula tortuosa Ledeb. Betula pubescens var. pumila (L.) Govaerts   56 IPCN67-71 KNABEN, G., & T. ENGELSKJON. 1967. Chromosome numbers of Scandinavian arctic-alpine plant species. II. Act. Boreal. A. Sci. No. 21: 1-57.
!   Betula pubescens subsp. tortuosa (Ledeb.) Nyman Betula pubescens var. pumila (L.) Govaerts   56 eFlora  
!   Betula tortuosa Ledeb. Betula pubescens var. pumila (L.) Govaerts   56 Darlington, 1955 L. &L. 1944b