The vegetational history of the Middle West
Published: 1920
Place of publication: n.p
Language: eng
Number of pages: 85
Subjects: Plants; Migration; Phytogeography
Notes: Reprinted from "Annals of the Association of American Geographers, v. 12, p. 39-85."

Contrib. N.Y.Bot. Gard. no.242.

Includes bibliographical references.