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Carl F. P.
von Martius
Universität München (Neurotree)

Lorenz
Oken
Universität Zürich (Physiology Academic Tree)

Ignaz
Döllinger
University of Munich (Neurotree)

Andreas
Röschlaub
University of Munich (Neurotree)









Friedrich Hermann
Loew
Harvard (Entomology Tree)


Carl Robert
Osten-Sacken
(Entomology Tree)


Karl August Wilhelm
Berends
Universität Berlin (Physiology Academic Tree)

Karl Ferdinand
von Graefe
Universität Berlin (Physiology Academic Tree)

Ernst
Horn
Universität Berlin (Physiology Academic Tree)


Martin Heinrich
Rathke
Universität Königsberg (Terrestrial Ecology Tree)


Hermann August
Hagen
Harvard (Terrestrial Ecology Tree)


John Henry
Comstock
Cornell (Systematics Tree)

William Albert
Riley
UMN
(Options)


Clarence Eugene
Mickel
UMN (Entomology Tree)

Clarence H.
Hoffmann
United States Department of Agriculture (Entomology Tree)


Reino (Ray) S.
Freeman
University of Toronto

Oliver Wilford
Olsen
Colorado State

Alexander D.
Acholonu
Alcorn State University (Epi Tree)

Murray Duane
Dailey
California State University, Long Beach

William RileyX