Alnus Mill.Gard. Dict. Abr. (ed. 4) vol. 1. 1754. (28 Jan 1754)Status:Accepted Name Rank:Genus Family: Betulaceae
Order: Fagales
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Alnus glutinosa (L.) Gaertn.Fruct. Sem. Pl.Status:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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Alnus incana (L.) MoenchMethodusStatus:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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Alnus incana subsp. rugosa (Du Roi) R.T.ClausenCornell Univ. Agric. Exp. Sta. Mem.Status:Accepted Name Rank:Subspecies Family: Betulaceae
Order: Fagales
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Alnus incana subsp. tenuifolia (Nutt.) BreitungAmer. Midl. NaturalistStatus:Accepted Name Rank:Subspecies Family: Betulaceae
Order: Fagales
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Alnus maritima (Marshall) Muhl. ex Nutt.N. Amer. Sylv.Status:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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Alnus oblongifolia Torr.Rep. U.S. Mex. Bound.Status:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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Alnus rhombifolia Nutt.N. Amer. Sylv.Status:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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Alnus rubra Bong.Mém. Acad. Imp. Sci. Saint Pétersbourg, Sér. 7Status:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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Alnus serrulata (Aiton) Willd.Sp. Pl.Status:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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Alnus viridis A.GrayManualStatus:Synonym of Alnus alnobetula subsp. fruticosa
(Rupr.) Raus
Rank:Species Family: Betulaceae
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Alnus viridis subsp. crispa (Aiton) TurrillBot. Mag.Status:Synonym of Alnus alnobetula subsp. crispa
(Aiton) Raus
Rank:Subspecies Family: Betulaceae
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Alnus viridis subsp. fruticosa (Rupr.) NymanConsp. Fl. Eur.Status:Synonym of Alnus alnobetula subsp. fruticosa
(Rupr.) Raus
Rank:Subspecies Family: Betulaceae
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Alnus viridis subsp. sinuata (Regel) Á.Löve & D.LöveUniv. Colorado Stud., Ser. Bibliogr.Status:Synonym of Alnus alnobetula subsp. sinuata
(Regel) Raus
Rank:Subspecies Family: Betulaceae
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Betula L.Sp. Pl. 2: 982. 1753. (1 May 1753)Status:Accepted Name Rank:Genus Family: Betulaceae
Order: Fagales
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Betula alleghaniensis BrittonBull. Torrey Bot. ClubStatus:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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Betulaceae GrayNat. Arr. Brit. Pl. 2: 222, 243. 1822. (10 Jan 1822)Status:Accepted Name Rank:Family Family: Betulaceae
Order: Fagales
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Betula cordifolia RegelNovye Mem. Moskovsk. Obshch. Isp. Prir.Status:Synonym of Betula papyrifera var. cordifolia
(Regel) Regel
Rank:Species Family: Betulaceae
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Betula glandulosa Michx.Fl. Bor.-Amer.Status:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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Betula kenaica W.H.EvansBot. Gaz.Status:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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Betula lenta Du RoiHarbk. Baumz.Status:Synonym of Betula pubescens
Ehrh.
Rank:Species Family: Betulaceae
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Betula michauxii SpachAnn. Sci. Nat., Bot.Status:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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Betula minor (Tuck.) FernaldRhodoraStatus:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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Betula nana L.Sp. Pl.Status:Accepted Name Rank:Species Family: Betulaceae
Order: Fagales
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