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Betula broccembergensis Bechst.

Forstbot.
Status:Synonym of Betula pubescens Ehrh.
Rank:Species
Family: Betulaceae

Betula pamirica Litv.

Trudy Bot. Muz. Imp. Akad. Nauk
Status:Accepted Name
Rank:Species
Family: Betulaceae
Order: Fagales

Betula bucharica V.N.Vassil.

Bot. Zhurn. (Moscow & Leningrad)
Status:Synonym of Betula pamirica Litv.
Rank:Species
Family: Betulaceae

Betula × caerulea Blanch.

Betula
Status:Accepted Name
Rank:Species
Family: Betulaceae
Order: Fagales

Betula × caerulea-grandis Blanch.

Betula
Status:Synonym of Betula × caerulea Blanch.
Rank:Species
Family: Betulaceae

Betula cajanderi Sukaczev

Acta Forest. Fenn.
Status:Synonym of Betula pendula Roth
Rank:Species
Family: Betulaceae

Betula callosa Notø

Tromsø Mus. Aarsh.
Status:Synonym of Betula pubescens Ehrh.
Rank:Species
Family: Betulaceae

Betula canadensis K.Koch

Dendrologie
Status:Synonym of Betula pubescens Ehrh.
Rank:Species
Family: Betulaceae

Betula carpatica Waldst. & Kit. ex Willd.

Sp. Pl.
Rank:Species
Family: Betulaceae

Betula bomiensis P.C.Li

in Fl. Xizangica
Status:Accepted Name
Rank:Species
Family: Betulaceae
Order: Fagales

Betula borealis Spach

Ann. Sci. Nat., Bot.
Status:Synonym of Betula pumila L.
Rank:Species
Family: Betulaceae

Betula × borggreveana Zabel ex H.J.P.Winkl.

Pflanzenr.
Status:Unresolved
Rank:Species
Family: Betulaceae

Betula seravschanica V.N.Vassil.

Bot. Zhurn. (Moscow & Leningrad)
Status:Accepted Name
Rank:Species
Family: Betulaceae
Order: Fagales

Betula bornmuelleri V.N.Vassil.

Bot. Zhurn. (Moscow & Leningrad)
Rank:Species
Family: Betulaceae

Betula borysthenica Klokov

Bot. Zhurn. (Kiev)
Rank:Species
Family: Betulaceae

Betula × bottnica Mela

Lyhk. Kasv.
Status:Accepted Name
Rank:Species
Family: Betulaceae
Order: Fagales

Betula brachylepis V.N.Vassil.

Trudy Inst. Ekol. Rast.
Status:Synonym of Betula pendula Roth
Rank:Species
Family: Betulaceae

Betula barguzinensis Popov

Fl. Centr. Sibir.
Status:Synonym of Betula divaricata Ledeb.
Rank:Species
Family: Betulaceae

Betula jacquemontii Spach

Ann. Sci. Nat., Bot.
Rank:Species
Family: Betulaceae

Betula × utahensis Britton

Bull. Torrey Bot. Club
Status:Accepted Name
Rank:Species
Family: Betulaceae
Order: Fagales

Betula × andrewsii A.Nelson

Bot. Gaz.
Status:Synonym of Betula × utahensis Britton
Rank:Species
Family: Betulaceae

Betula × eastwoodiae Sarg.

Bot. Gaz.
Status:Accepted Name
Rank:Species
Family: Betulaceae
Order: Fagales

Betula × arbuscula Dugle

Canad. J. Bot.
Status:Synonym of Betula × eastwoodiae Sarg.
Rank:Species
Family: Betulaceae

Betula arguta Schltdl.

Linnaea
Rank:Species
Family: Betulaceae