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Anton
de Haen
University of Vienna (Neurotree)

Joseph
Barth
Universität Wien (Neurotree)


Georg
Prochaska
Vienna University (Neurotree)


Josef
von Rottenberger
Karls-Universität Prag (Neurotree)


Jan Evangelista
Purkinje
Schlesische Friedrich-Wilhelms-Universität zu Breslau (Neurotree)


Franz Gabriel
Schönmetzel
Universität Heidelberg (Neurotree)

Franz Joseph
von Oberkamp
Universität Würzburg (Neurotree)

Johann Friedrich
Lobstein, Sr.
University of Strasbourg (Neurotree)

Georg Matthäus
Gattenhof
Universität Heidelberg (Neurotree)


Johann Peter
Frank
Universität Wien (Neurotree)





Julius
Sachs
University of Wurzburg
(Options)

Fredrick Orpen
Bower
University of Glasgow

William Henry
Lang
University of Manchester (Terrestrial Ecology Tree)

Claude W.
Wardlaw
University of Manchester

James Montagu Frank
Drummond
University of Manchester (Evolution Tree)

Dunkinfield Henry
Scott
Royal College of Science (Evolution Tree)

Annie Lorrain
Smith
British Museum (Natural History) (Evolution Tree)

William Henry
Lang
University of Manchester (Terrestrial Ecology Tree)

Gregor Konrad
Michael
Martin-Luther-Universität Halle-Wittenberg (Terrestrial Ecology Tree)

Edwin Bingham
Copeland
UC Berkeley (Plant Biology Tree)


Fredrick Orpen
Bower
University of Glasgow

John Bretland
Farmer
Imperial College London (Plant Biology Tree)

Christian Ernst
Stahl
Universität Jena (Evolution Tree)

Hans
Driesch
Universität Leipzig (DevTree)

Wilhelm
Benecke
Westfälische Wilhelms-Universität Münster (Plant Biology Tree)

Hans
Kniep
Universität Berlin (Plant Biology Tree)

Hermann Gerhard
Weyland
Universität zu Köln (Plant Biology Tree)


Rowland Harry
Biffen
Cambridge (Plant Biology Tree)


Frederick Tom
Brooks
Cambridge (Plant Biology Tree)

James Montagu Frank
Drummond
University of Manchester (Evolution Tree)

Karl Ritter
von Goebel
Universität München (Terrestrial Ecology Tree)

George Henry Hermann
Karsten
Martin-Luther-Universität Halle-Wittenberg (Evolution Tree)

William Francis
Ganong
Smith College (Terrestrial Ecology Tree)

Marie Charlotte Carmichael
Stopes
University of Manchester (Geotree)

Max
Hirmer
Universität München (Terrestrial Ecology Tree)

Friedrich
Oehlkers
Universität Freiburg (Plant Biology Tree)

Georg Albrecht
Klebs
Universität Heidelberg (Plant Biology Tree)

Gustav
Senn
Universität Basel (Plant Biology Tree)

Ernst Athearn
Bessey
Michigan State (Mycotree)

Abraham Léo
Errera
ULB (Physiology Academic Tree)


Frederick Charles
Newcombe
University of Michigan (Plant Biology Tree)

Volney Morgan
Spalding
University of Michigan (Physiology Academic Tree)

George James
Peirce
Stanford (Plant Biology Tree)

Rodney Howard
True
Universität Leipzig (Plant Biology Tree)

Edwin Bingham
Copeland
UC Berkeley (Plant Biology Tree)

Frederick DeForest
Heald
WSU (Plant Biology Tree)

Ernst Georg
Pringsheim, Jr.
St. John's College, Cambridge (Evolution Tree)

George Edward
Stone
Massachusetts Agricultural College (Plant Biology Tree)

Richard Morris
Holman
UC Berkeley (Systematics Tree)

Hermann Gerhard
Weyland
Universität zu Köln (Plant Biology Tree)

Carl Erich Franz Joseph
Correns
Kaiser-Wilhelm-Institut für Biologie (Plant Biology Tree)

Georg Albrecht
Klebs
Universität Heidelberg (Plant Biology Tree)

Francis (Frank) Wall
Oliver
UCL (Terrestrial Ecology Tree)

Douglas Houghton
Campbell
Stanford (Plant Biology Tree)

Carlton Clarence
Curtis
Columbia (Plant Biology Tree)

Hans
Kniep
Universität Berlin (Plant Biology Tree)

Gustav
Senn
Universität Basel (Plant Biology Tree)

Benjamin Minge
Duggar
UW Madison (Mycotree)

Julius SachsX