Verbatim text: Maxon, W. R. 1912. Notes on the North American species of Phanerophlebia. Bull. Torrey Bot. Club 39: 23--28.
Author: Maxon, W.R.
Year: 1912
Title: Notes on the North American species of Phanerophlebia
Journal: Bull. Torrey Bot. Club
Volume: 39
Pages: 23–28