Betula

Botanique

Taxonomie

Magnoliophyta 68
Magnoliopsida 3
Fagales 3
Betulaceae 3728

Espèces

Betula ala 1
Betula alba L. 250 230
Betula alba x nana 3
Betula albosinensis Burkill 16 15
Betula alleghaniensis Britton 49 28
Betula alnoides Buch.-Ham. ex D.Don 73 68
Betula alpestris Fr. 43 42
Betula ambigua Hampe ex Rchb. 1 1
Betula apoiensis 2
Betula aschersoniana Hayek 12 12
Betula × aurata Borkh. 5 4
Betula bambana auct. 1 1
Betula bhojpatra Hort. ex Koehne 2 1
Betula bhojpattra Lindl. ex Wall. 3
Betula borealis Spach 3 3
Betula borggreveana Zabel ex H.Winkl. 1
Betula brongniartii ETTINGSHAUSEN, 1851 4 2
Betula × caerulea Blanch. 4 2
Betula calcicola (W.W.Sm.) P.C.Li 1 1
Betula carpatica Waldst. & Kit. ex Willd. 31 31
Betula carpinifolia Ehrh. 3 3
Betula celtiberica Rothm. & Vasc. 9 5
Betula chichibuensis H.Hara 13
Betula chinensis Maxim. 12 10
Betula concinna Gunnarsson 4 4
Betula confusa SAPORTA, 1891 11 10
Betula cf. cordifolia Regel 2 2
Betula coriacea Gunnarsson 4 4
Betula corylifolia Regel & Maxim. 7 7
Betula costata Trautv. 4 2
Betula cunninghamii 1
Betula cuspidens SAPORTA, 1865 6 4
Betula cylindrostachya Lindl. ex Wall. 5 4
Betula dahurica Pall. 38 30
Betula dalecarlica L.f. 4 4
Betula davurica Pall. 5 4
Betula delavayi Franch. 13 13
Betula delavayii Franch. 1
Betula divaricata Ledeb. 8 4
Betula dryadum Ad. BRONGNIART, 1828 19 5
Betula eastwoodiae Sarg. 3 3
Betula elliptica SAPORTA, 1867 5 5
Betula ermanii Cham. 39
Betula excelsa Aiton 9 7
Betula exilis Sukaczev 1 1
Betula extremiorientalis Kuzen. & V.N. Vassil. 1 1
Betula fennica Dörfler 7 7
Betula fontinalis Sarg. 11 11
Betula fontqueri Rothm. 1 1
Betula forrestii Hand.-Mazz. 1
Betula fraterna SAPORTA, 1865 4 4
Betula fructicosa Pall. 1
Betula fruticans Pall. 10 10
Betula fruticosa Pall. 56 51
Betula fruticosa x pubescens 1
Betula glandulifera (Regel) B.T.Butler 2 2
Betula glandulosa Michx. 82 73
Betula glutinosa Wallr. 2 2
Betula gmelinii Bunge 1 1
Betula grossa Siebold & Zucc. 20 9
Betula gypsicola TOURNEF 1 1
Betula hirsuta auct. 1 1
Betula hornei B.T.Butler 1 1
Betula humilis Schrank 82 76
Betula humilis x alba 2
Betula hybrida Regel 1 1
Betula incana (L.) L.f. 2 2
Betula insignis Franch. 3 3
Betula intermedia Thomas ex Rchb. 43 42
Betula jacquemontii Spach. 3 1
Betula jarmolenkoana Golosk. 1 1
Betula kenaica W.H.Evans 6 6
Betula kirghisorum Sawicz 6
Betula korshinskyi Litv. 1
Betula laciniata Ehrh. 1 1
Betula lanata (Regel) V.N.Vassil. 2 2
Betula lenta L. 89 64
Betula litwinowii Doluch. 1 1
Betula luminifera H.J.P.Winkl. 39 39
Betula lutea F.Michx. 16 13
Betula mandshurica (Regel) Nakai 28 28
Betula maximowicziana Regel 11 7
Betula maximowiczii 4 3
Betula medwediewi Regel 7 7
Betula medwediewii Regel 5
Betula megrelica Sosn. 1 1
Betula michauxii Spach 12 11
Betula microphylla Bunge 4 4
Betula middendorffii Trautv. & C.A.Mey. 3 1
Betula minor (Tuck.) Fernald 2 2
Betula murithii Gaudin ex Regel 26 26
Betula nana L. 440 405
Betula nana x odorata 3
Betula nana x pubescens 14
Betula nana x tortuosa 1
Betula nana x verrucosa 3
Betula neoalaskana Sarg. 5 1
Betula nigra L. 68 52
Betula oblongata SAPORTA, 1865 2 2
Betula obscura Kotula 3 3
Betula occidentalis Hook. 40 36
Betula odorata Bechst. 13 13
Betula ostryifolia SAPORTA, 1868 1 1
Betula ovalifolia Rupr. 5 1
Betula ovata Schrank 2 2
Betula oxydonta SAPORTA, 1891 6 4
Betula oycoviensis Besser 7 7
Betula oycowiensis Besser 2 2
Betula palustris Rupr. 1 1
Betula papyracea Aiton 16 13
Betula papyrifera Marshall 100 87
Betula plettkei Junge 8 8
Betula pontica Desf. ex Steud. 2 2
Betula populifolia Marshall 57 47
Betula potaninii Batalin 3 1
Betula prisca ETTINGSHAUSEN, 1851 2 1
Betula pubescens x pendula 1
Betula pubescens x verrucosa 2
Betula pulchella SAPORTA, 1865 1 1
Betula pumila L. 87 59
Betula pyrifolia Franch. 4 4
Betula raddeana Trautv. 16 2
Betula resinifera (Regel) Britton 1 1
Betula rhombifolia Nutt. 4 4
Betula rockii (Rehder) C.A.Jansson 2 2
Betula rotundifolia Spach 1
Betula rubra Michx. 2 1
Betula sandbergii Britton 1 1
Betula schmidtii Regel 11 6
Betula sezannensis WATELET, 1866 2 2
Betula sibirica Regel 1 1
Betula sp. 211 191
Betula sp. de Chine 1
Betula stenolepis SAPORTA, 1889 2 1
Betula szechuanica (C.K.Schneid.) Jansen 10 10
Betula tatewakiana M.Ohki & S.Watan. 2 1
Betula tianschanica Rupr. 6 2
Betula tomentosa Reitter & Abeleven 4 4
Betula torfacea Schleich. 4 4
Betula tortuosa Ledeb. 10 9
Betula turkestanica Litv. 2 2
Betula ulmifolia Siebold & Zucc. 2 2
Betula urticifolia (Spach) Regel 5 5
Betula × utahensis Britton 1
Betula verrucosa Ehrh. 180 175
Betula x aschersoniana Hayek 1
Betula x aurata Borkh. 17
Betula x intermedia Thomas ex Rchb. 4
Betula × alpestris Fr. 1
Betula × caerulea-grandis Blanch. 2

3729 Spécimens inventoriés en collections

Collection Nombre de spécimens (ou lots)
Ass. Naturalistes Val. du Loing (ANVL) 2
Cons. et Jard. Bot. de Nancy (NCY) 9
Conservatoire Botanique National Alpin (GAP) 6
Herbier du Muséum d'Autun (AUT) 5
Herbier du harmas de J. H. Fabre (FABR) 3
Institut National d'Horticulture (INH) 3
Institut Scientifique (RAB) 1
Jardins (JB) 433
M.H.N. d'Aix-en-Provence (AIX) 17
Paléontologie (F) 68
Plantes vasculaires (P) 2904
Soc. Nat. des Sc. Nat. et Math. Cherbourg (CHE) 42
Univ. Montpellier - Inst. de Botanique (MPU) 224
Université François Rabelais (TOU) 11
worms 1