CONTRIBUTIONS FROM THE GRAY HERBARIUM OF HARVARD UNIVERSITY.— NEW SERIES, NO. XLIV. THE GENUS EUPHRASIA IN NORTH AMERICA
Fernald, Merritt Lyndon, 1873-1950 Wiegand, K. M. (Karl McKay), 1873-1942
Article
1915
Rhodora
17
181--201
BioStor
[Cambridge, Mass., etc.] New England Botanical Club [etc.]
BioStor: https://biostor.org/reference/179684
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