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Betula acuminata var. glabra Regel

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

Betula acuminata var. pyrifolia Franch.

J. Bot. (Morot)
Rank:Variety
Family: Betulaceae

Betula acuminata var. pilosa Regel

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

Betula acuminata var. lancifolia Regel

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

Betula affinis (Spach) Endl.

Gen. Pl.
Rank:Species
Family: Betulaceae

Betula adasii T.V.Egorova & Sipliv.

Novosti Sist. Vyssh. Rast.
Status:Synonym of Betula divaricata Ledeb.
Rank:Species
Family: Betulaceae

Betula aetnensis Raf. ex J.Presl & C.Presl

Delic. Prag.
Status:Synonym of Betula pendula Roth
Rank:Species
Family: Betulaceae

Betula acuminatifolia V.N.Vassil.

Bot. Zhurn. S.S.S.R.
Rank:Species
Family: Betulaceae

Betula alnus-crispa Steud.

Nomencl. Bot.
Rank:Species
Family: Betulaceae

Betula ambigua Hampe ex Rchb.

Icon. Fl. Germ. Helv.
Status:Synonym of Betula pubescens Ehrh.
Rank:Species
Family: Betulaceae

Betula × alpina Kindb.

Bot. Not.
Status:Unresolved
Rank:Species
Family: Betulaceae

Betula × alpestris Fr.

Summa Veg. Scand.
Status:Accepted Name
Rank:Species
Family: Betulaceae
Order: Fagales

Betula americana Buc'hoz

Herb. Color. Amérique
Status:Synonym of Betula nigra L.
Rank:Species
Family: Betulaceae

Betula andreji V.N.Vassil.

Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R.
Status:Synonym of Betula pubescens Ehrh.
Rank:Species
Family: Betulaceae

Betula alpina Borkh. ex Theorin

Prakt. Handb. Forstbot.
Rank:Species
Family: Betulaceae

Betula corylifolia Griff.

Itin. Pl. Khasyah Mts.
Status:Unresolved
Rank:Species
Family: Betulaceae

Betula cordifolia Regel

Novye Mem. Moskovsk. Obshch. Isp. Prir.
Rank:Species
Family: Betulaceae

Betula coriifolia Tausch ex Regel

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

Betula concinna Gunnarsson

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

Betula cordata Loisel.

Not. Fl. France
Rank:Species
Family: Betulaceae

Betula coriaceifolia V.N.Vassil.

Novosti Sist. Vyssh. Rast.
Status:Accepted Name
Rank:Species
Family: Betulaceae
Order: Fagales

Betula coriacea Pamp.

Nuovo Giorn. Bot. Ital.
Status:Unresolved
Rank:Species
Family: Betulaceae

Betula coriacea Gunnarsson

Sv. Fanerogamfl.
Rank:Species
Family: Betulaceae

Betula forrestii var. calcicola (W.W.Sm.) Hand.-Mazz.

Symb. Sin.
Rank:Variety
Family: Betulaceae