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Oswald
Heer
Universität Zürich (Systematics Tree)

Carl Wilhelm
von Nägeli
University of Munich (Systematics Tree)


Simon
Schwendener
Universität Berlin (Systematics Tree)


Heinrich
Göppert
University of Breslau


Adolf
Engler
Royal Botanical Gardens and Museums of Berlin


Johannes
Buder
Martin-Luther-Universität Halle-Wittenberg (Microtree)


Hans Günter
Schlegel
Universität Göttingen (ID Tree)


Wilhelm
Schlenk
Vienna University, Berlin

Ernst
Späth
Vienna University


Fritz
Feigl
Vienna University


F. Hermann
Leuchs
Universität Berlin

Graham
Lusk
Cornell




Bashford
Dean
American Museum of Natural History (Evolution Tree)

Philip Hanson
Hiss
Columbia University Medical School (ID Tree)


Hans
Zinsser
Harvard (ID Tree)


J. Howard
Mueller
Harvard Medical School (ID Tree)



Bärbel
Friedrich
HU Berlin
(Options)


Arnab
Dutta
IIT Bombay

Souvik
Roy
University of Lincoln

Joseph A
Laureanti
Arizona State

Bärbel FriedrichX