by Charles Frederick Millspaugh
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American medicinal plants
Plantae Utowanae
Flora of West Virginia
Contributions to North American Euphorbi...
Contribution [I]-III to the coastal and ...
Revision of the North American species o...
Chemisches über die Samen von Xanthium s...
Descriptions of species of sponges obser...
Analysis of growth and development of Xa...
Correspondence
Die arten der gattung Xanthium