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...
Synposis der Mitteleuropäischen Flora
Genetics and genomics of the Brassicacea...
Biology and breeding of crucifers
Dithyrea and a related genus (Cruciferae...
Club root of cabbage and other crucifers
Brassica crops and wild allies