Gerald J.
Gastony

Indiana University


Douglas E.
Soltis

UF Gainesville


Edward Murray
East

Harvard (DevTree)


Edgar
Anderson

Missouri Botanical Garden (DevTree)


Adolf
Engler

Royal Botanical Gardens and Museums of Berlin (Chemistry Tree)


Jesse More
Greenman

Washington University (Chemistry Tree)


Ralph Works
Chaney

UC Berkeley (Geotree)


Willis Linn
Jepson

UC Berkeley


Herbert Louis
Mason

UC Berkeley


Charles B.
Heiser

Indiana University



Christian
Lexer

University of Fribourg
(Options)

Celine
Caseys

UC Davis (Chemistry Tree)

Christian LexerX