Douglas Houghton
Campbell

Stanford (Plant Biology Tree)


Wilhelm Friedrich Philipp
Pfeffer

Universität Leipzig (Systematics Tree)


Gregor Konrad Michael
Kraus

Martin-Luther-Universität Halle-Wittenberg (Terrestrial Ecology Tree)


Edwin Bingham
Copeland

UC Berkeley (Plant Biology Tree)


Warren H.
Wagner

University of Michigan (Systematics Tree)


Ralph Works
Chaney

UC Berkeley (Geotree)


Willis Linn
Jepson

UC Berkeley


Herbert Louis
Mason

UC Berkeley


Robert
Ornduff

UC Berkeley


Ruebush G.
Shands

UW Madison


Charles Elmer
Allen

UW Madison (Plant Biology Tree)




Michael T.
Clegg

(FlyTree)




Reed Clark
Rollins

Harvard (Systematics Tree)


David G.
Lloyd

University of Christchurch



Kyle
Bobiwash

Simon Fraser
(Options)

Kyle BobiwashX