Reference:Duncan1959a
Verbatim text: Duncan, W. H. 1959. Leaf variation in Liquidambar styraciflua L. Castanea 24: 99-111.
Author: Duncan, W.H.
Year: 1959
Title: Leaf variation in Liquidambar styraciflua L.
Journal: Castanea
Volume: 24
Pages: 99–111