Harlan
Lewis

UCLA (Systematics Tree)


Peter H.
Raven

Missouri Botanical Garden


Donald A.
Levin

UT Austin


Barbara A.
Schaal

Washington University


Kenneth J.
Sytsma

UW Madison


Aarón
Rodríguez

Universidad de Guadalajara (México)


John ("Jack") Laker
Harley

Oxford (Terrestrial Ecology Tree)


John Lander
Harper

University College of North Wales, Bangor (Terrestrial Ecology Tree)


Rodolfo
Dirzo

Stanford


?


George F.
Estabrook

University of Michigan



Rafael
Bello Bedoy

Facultad de Ciencias, UABC
(Options)

Rafael Bello BedoyX