Verbatim text: Smith, Gary L. 1971. A conspectus of the genera of Polytrichaceae. Mem. New York Bot. Gard. 21(3): 1–83.
Author: Smith, Gary L.
Year: 1971
Title: A conspectus of the genera of Polytrichaceae
Journal: Mem. New York Bot. Gard
Volume: 21
Pages: 1–83