Books by Karl McKay Wiegand
Eupatorium purpureum L. and Eu
Eupatorium purpureum L. and Eupatorium Maculatum L. notes
The flora of the Cayuga Lake B
The flora of the Cayuga Lake Basin, New York
Oxalis corniculata and its rel
Oxalis corniculata and its relatives in North America
The genus Eupẖṟasia in North A
The genus Eupẖṟasia in North America
A key to the genera of woody p
A key to the genera of woody plants in winter
The structure of the fruit in
The structure of the fruit in the order Ranunculaceae