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)


Arnub
Dutta

IIT Bombay


Joseph A
Laureanti

Arizona State

Bärbel FriedrichX