Verbatim text: Nixon, K. C. 1993. Infrageneric classification of Quercus (Fagaceae) and typification of sectional names. Ann. Sci. Forest. 50(suppl.1): 25-34.
Author: Nixon, K.C.
Year: 1993
Title: Infrageneric classification of Quercus (Fagaceae) and typification of sectional names
Journal: Ann. Sci. Forest
Volume: 50
Pages: 25–34