Verbatim text: Bailey, D.K. 1970. Phytogeography and taxonomy of Pinus subsection Balfourianae. Ann. Missouri Bot. Gard. 57: 210--249.
Author: Bailey, D.K.
Year: 1970
Title: Phytogeography and taxonomy of Pinus subsection Balfourianae
Journal: Ann. Missouri Bot. Gard
Volume: 57
Pages: 210–249