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World flora
Plants of the world flora
Explore
Families
Genera
Species
84
Family:
Betulaceae
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Alnus × pubescens
Tausch
7
2
Observations
Betulaceae
Alnus acuminata
Kunth
LC
Least Concern
Andean Alder
64
35
Observations
Betulaceae
Alnus alnobetula
(Ehrh.) K.Koch
LC
Least Concern
Green Alder
1,510
1,053
Observations
Betulaceae
Alnus cordata
(Loisel.) Duby
LC
Least Concern
Italian alder
2,873
1,866
Observations
Betulaceae
Alnus cremastogyne
Burkill
LC
Least Concern
6
1
Observation
Betulaceae
Alnus firma
Siebold & Zucc.
DD
Data Deficient
8
4
Observations
Betulaceae
Alnus formosana
(Burkill) Makino
LC
Least Concern
Formosan alder
4
1
Observation
Betulaceae
Alnus glutinosa
(L.) Gaertn.
LC
Least Concern
Alder
14,588
10,911
Observations
Betulaceae
Alnus hirsuta
(Spach) Rupr.
LC
Least Concern
Manchurian alder
10
5
Observations
Betulaceae
Alnus incana
(L.) Moench
LC
Least Concern
Grey alder
2,515
1,806
Observations
Betulaceae
Alnus japonica
(Thunb.) Steud.
LC
Least Concern
Japanese alder
429
273
Observations
Betulaceae
Alnus jorullensis
Kunth
LC
Least Concern
Evergreen alder
5
3
Observations
Betulaceae
Alnus maritima
(Marshall) Muhl. ex Nutt.
EN
Endangered
Brook alder
4
3
Observations
Betulaceae
Alnus maximowiczii
Callier
DD
Data Deficient
3
1
Observation
Betulaceae
Alnus nepalensis
D.Don
LC
Least Concern
Himalayan alder
62
55
Observations
Betulaceae
Alnus nitida
(Spach) Endl.
LC
Least Concern
West Himalayan alder
12
4
Observations
Betulaceae
Alnus orientalis
Decne.
DD
Data Deficient
Oriental alder
2
2
Observations
Betulaceae
Alnus pendula
Matsum.
LC
Least Concern
1
1
Observation
Betulaceae
Alnus rhombifolia
Nutt.
LC
Least Concern
White alder
11
6
Observations
Betulaceae
Alnus rubra
Bong.
LC
Least Concern
Red alder
46
27
Observations
Betulaceae
Alnus serrulata
(Aiton) Willd.
LC
Least Concern
Hazel alder
120
67
Observations
Betulaceae
Alnus sieboldiana
Matsum.
DD
Data Deficient
2
1
Observation
Betulaceae
Alnus subcordata
C.A.Mey.
LC
Least Concern
Caucasian alder
36
16
Observations
Betulaceae
Betula × caerulea
Blanch.
Big blue birch
3
2
Observations
Betulaceae
Betula alleghaniensis
Britton
LC
Least Concern
Yellow birch
225
168
Observations
Betulaceae
Betula alnoides
Buch.-Ham. ex D.Don
LC
Least Concern
Indian birch
22
17
Observations
Betulaceae
Betula browicziana
Güner
3
1
Observation
Betulaceae
Betula chichibuensis
H.Hara
CR
Critically Endangered
Chichibu Birch
12
6
Observations
Betulaceae
Betula chinensis
Maxim.
LC
Least Concern
China birch
8
4
Observations
Betulaceae
Betula costata
Trautv.
LC
Least Concern
7
3
Observations
Betulaceae
Betula dahurica
Pall.
LC
Least Concern
Asian Black Birch
6
4
Observations
Betulaceae
Betula delavayi
Franch.
LC
Least Concern
2
1
Observation
Betulaceae
Betula ermanii
Cham.
LC
Least Concern
Russian rock birch
108
63
Observations
Betulaceae
Betula glandulosa
Michx.
LC
Least Concern
Resin birch
7
6
Observations
Betulaceae
Betula globispica
Shirai
NT
Near Threatened
5
2
Observations
Betulaceae
Betula grossa
Siebold & Zucc.
LC
Least Concern
Japanese cherry birch
11
5
Observations
Betulaceae
Betula humilis
Schrank
LC
Least Concern
Shrubby Birch
82
47
Observations
Betulaceae
Betula kenaica
W.H.Evans
Kenai birch
1
1
Observation
Betulaceae
Betula lenta
L.
LC
Least Concern
Cherry birch
113
75
Observations
Betulaceae
Betula luminifera
H.J.P.Winkl.
LC
Least Concern
3
2
Observations
Betulaceae
Betula maximowicziana
Regel
LC
Least Concern
Monarch birch
59
31
Observations
Betulaceae
Betula medwediewii
Regel
DD
Data Deficient
Medwediew's Birch
31
12
Observations
Betulaceae
Betula megrelica
Sosn.
EN
Endangered
Megrelian Birch
1
1
Observation
Betulaceae
Betula nana
L.
LC
Least Concern
Arctic dwarf birch
319
237
Observations
Betulaceae
Betula neoalaskana
Sarg.
Resin birch
3
1
Observation
Betulaceae
Betula nigra
L.
LC
Least Concern
River birch
674
451
Observations
Betulaceae
Betula occidentalis
Hook.
LC
Least Concern
Water birch
36
19
Observations
Betulaceae
Betula ovalifolia
Rupr.
Japanese bog birch
3
1
Observation
Betulaceae
Betula papyrifera
Marshall
LC
Least Concern
Canoe birch
428
281
Observations
Betulaceae
Betula pendula
Roth
LC
Least Concern
Common Birch
10,649
7,333
Observations
Betulaceae
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Species