Betulaceae
Resources
Alnus acuminata
Alnus arguta
Alnus ferruginea
Alnus firmifolia
Alnus glabrata
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Alnus glutinosa
Alnus guatemalensis
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Alnus incana
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Alnus jorullensis
Alnus nepalensis
Alnus oblongifolia
Alnus ovalifolia
Alnus pringlei
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Alnus serrulata
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Alnus viridis
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Betula alleghaniensis
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Betula fruticosa
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Betula nigra
Betula occidentalis
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Betula papyrifera
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Betula pendula
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Betula populifolia
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Betula pubescens
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Betula pumila
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Carpinus betulus
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Carpinus caroliniana
Carpinus orientalis
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Carpinus tropicalis
Corylus americana
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Corylus avellana
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Corylus colurna
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Ostrya carpinifolia
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Ostrya knowltoni
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Ostrya knowltonii
Ostrya virginiana