Reference:Sargent1933a
Revision as of 19:01, 26 July 2019 by Unknown user (talk)
Verbatim text: Sargent, C. S. 1933. Manual of the Trees of North America, ed. 2, rev. Boston.
Author: Sargent, C.S.
Year: 1933
Title: Manual of the Trees of North America
Edition: 2