☰


Asa
Gray
Harvard


Sereno
Watson
Harvard (Evolution Tree)


Merritt Lyndon
Fernald
Harvard (Evolution Tree)


Willem Hendrik
de Vriese
Leiden (Neurotree)


Willem Frederik Reinier
Suringar
Leiden (Chemistry Tree)


Hugo
de Vries (DeVries)
Amsterdam (Evolution Tree)


Harley Harris
Bartlett
University of Michigan (Plant Biology Tree)

William Campbell
Steere
University of Michigan
(Options)

William SteereX