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Betula broccembergensis Bechst.

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

Betula bucharica V.N.Vassil.

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

Betula × caerulea var. cunninghamii B.Boivin

Natural. Canad.
Status:Synonym of Betula × caerulea Blanch.
Rank:Variety
Family: Betulaceae

Betula × caerulea var. grandis Blanch.

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

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 cajanderi f. fruticans Kozhevn.

Bot. Zhurn. (Moscow & Leningrad)
Status:Synonym of Betula pendula Roth
Rank:Form
Family: Betulaceae

Betula cajanderi subsp. minutifolia Kozhevn.

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

Betula delavayi var. calcicola W.W.Sm.

Notes Roy. Bot. Gard. Edinburgh
Rank:Variety
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 carpatica var. hercynica Rchb.

Icon. Fl. Germ. Helv.
Rank:Variety
Family: Betulaceae

Betula carpatica var. sudetica Rchb.

Icon. Fl. Germ. Helv.
Status:Synonym of Betula pendula Roth
Rank:Variety
Family: Betulaceae

Betula bhojpattra var. subcordata Regel

Bull. Soc. Imp. Naturalistes Moscou
Rank:Variety
Family: Betulaceae

Betula borealis Spach

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

Betula bornmuelleri V.N.Vassil.

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

Betula borysthenica Klokov

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

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 bhojpattra var. jacquemontii (Spach) Regel

Nouv. Mém. Soc. Imp. Naturalistes Moscou
Rank:Variety
Family: Betulaceae

Betula bhojpattra var. japonica Shirai

Bot. Mag. (Tokyo)
Rank:Variety
Family: Betulaceae

Betula bhojpattra var. latifolia Regel

Bull. Soc. Imp. Naturalistes Moscou
Status:Synonym of Betula utilis D.Don
Rank:Variety
Family: Betulaceae