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Botany
[collector note: Pennsylvania: FH]
Voth, Paul Dirks & Conard, Henry Shoemaker
Voth, Paul Dirks & Conard, Henry Shoemaker
P. D. Voth & H. S. Conard
Voth, P. D. & Conard, H. S.
Paul Dirks Voth & Henry Shoemaker Conard