Edward Lee
Greene

University of California at Berkeley; Smithsonian; Catholic University of America (Evolution Tree)


William Albert
Setchell

UC Berkeley (Systematics Tree)


Willis Linn
Jepson

UC Berkeley (Evolution Tree)


Lincoln
Constance

UC Berkeley (Systematics Tree)


Otto
Solbrig

Harvard

William A.
Hoffmann

NCSU
(Options)

William HoffmannX