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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.


CCDBAngiospermsBetulaceaeBetulaBetula tortuosa Ledeb.

3 chromosome counts in Betula tortuosa Ledeb.:


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 tortuosa Ledeb. Betula pubescens var. pumila (L.) Govaerts   56 Darlington, 1955 L. &L. 1944b