World flora Plants of the world flora Explore

• Families
• Genera 5
• Species

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Alnus

21,343 15,447 Observations

species 22

Betula

18,097 12,616 Observations

species 32

Carpinus

20,215 15,865 Observations

species 11

Corylus

25,279 20,002 Observations

species 12

Ostrya

4,240 3,052 Observations

species 3