Betula alba var. cordifolia (Regel) FernaldAmer. J. Sci., ser. 4 14: 177 1902Status:Unchecked Rank:Variety Family: Betulaceae
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Betula alba f. cordifolia RegelStatus:Unchecked Rank:Form Family: Betulaceae
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Betula alba var. carpatica FernaldAmer. J. Sci. ser. 4, 14[164]: 179, t. 5, f. 13-14. 1902Status:Unchecked Rank:Variety Family: Betulaceae
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Alnus tenuifolia var. ferrugineo-tomentosa BrayshawOccas. Pap. British Columbia Prov. Mus. 18: 133, nom. nov., without replaced synonym page. 1976Status:Unchecked Rank:Variety Family: Betulaceae
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Alnus silesiaca var. macrocarpa CallierRepert. Spec. Nov. Regni Veg. 10: 232 (1911)Status:Unchecked Rank:Variety Family: Betulaceae
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Alnus hanedae Sugim.New Keys Jap. Trees : 457 (1961)Status:Unchecked Rank:Species Family: Betulaceae
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Alnus glutinosa f. corticiformis Molski ex Siciński & E.Filipiakin Roczn. Dendrol. 40: 35, contrary to Art. 37.5 ICBN (1988). 1993 [1992 publ. 1993]Status:Unchecked Rank:Form Family: Betulaceae
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Alnus fiekii var. dressleri CallierJahresber. Schles. Ges. Vaterl. Cult. 69(2): 84 (1891 publ. 1892)Status:Unchecked Rank:Variety Family: Betulaceae
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Alnus crispa subsp. maximoviczii (Callier) HulténStatus:Unchecked Rank:Subspecies Family: Betulaceae
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Betula japonica SieboldVerh. Batav. Genootsch. Kunst. xii. (1830) 25.Status:Unchecked Rank:Species Family: Betulaceae
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Betula jackii C.K.Schneid.?Status:Unchecked Rank:Species Family: Betulaceae
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Betula humilis var. genuina Kjellm.Norra Ishav. Algfl. 52. 1883 From Nordenskiold, Vega-exped. vetenskapliga Iakttagelser, 2.Status:Unchecked Rank:Variety Family: Betulaceae
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Betula humilis var. fastigiata HortStatus:Unchecked Rank:Variety Family: Betulaceae
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Betula harcynica Wender. ex Steud.Nomencl. Bot. [Steudel], ed. 2. 1: 201. 1840Status:Unchecked Rank:Species Family: Betulaceae
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Betula glandulosa Berl.Öfvers. Kongl. Vetensk.-Akad. Förh. 41(2): 63 (1884)Status:Unchecked Rank:Species Family: Betulaceae
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Betula fruticosa subsp. montana ShembergFl. Sibir. (Salicac.-Amaranthac.) 5: 67 (1992).Status:Unchecked Rank:Subspecies Family: Betulaceae
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Betula eastwoodiae DugleCanad. J. Bot. 44: 966 1966Status:Unchecked Rank:Species Family: Betulaceae
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Betula corylifolia Griff.Itin. Pl. Khasyah Mts. : 54 (1848)Status:Unchecked Rank:Species Family: Betulaceae
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Betula alba var. cordifolia (Regel) FernaldStatus:Unchecked Rank:Variety Family: Betulaceae
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Alnus fernandi-coburgii C.K.Schneid.Bot. Gaz. 64: 147 1917Status:Unchecked Rank:Species Family: Betulaceae
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Betula ethnensis RegelProdr. [A. P. de Candolle] 16(2.2): 163. 1868 [mid Jul 1868]Status:Unchecked Rank:Species Family: Betulaceae
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Betula borggreveana Zabel ex H.J.P.Winkl.Pflanzenr. , IV, 61: 94 (1904)Status:Unchecked Rank:Species Family: Betulaceae
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Betula angulata hort. ex Steud.Nomencl. Bot. [Steudel], ed. 2. 1: 201. 1840Status:Unchecked Rank:Species Family: Betulaceae
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Ostrya quatemalensis RoseContr. U.S. Natl. Herb. 8: 292 1905Status:Unchecked Rank:Species Family: Betulaceae
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