by Merritt Lyndon Fernald
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Edible Wild Plants of Eastern North Amer...
Gray's new Manual of Botany, a Handbook ...
Gray's Manual of Botany
Technical studies on North American plan...
Studies of eastern American plants
The Linear-Leaved North American Species...
Die Haselnuss
Het geslacht Betula
The Greenland Mountain birch zone, South...
The separation of Betula populifolia and...
Birch forest types in northern Kazakhsta...
Interspecific hybridization in birch (Be...