Phytogeographic survey of North America
Subtitle: a consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution
By: John William Harshberger.
Edition: 2nd edition.
Publisher: Hafner
Published: 1958
Place of publication: New York
Number of pages: 790
Subjects: Botany -- North America; Phytogeography
Notes: Bibliography : p. 45-92.