Verbatim text: Long, D. G. 1985. Polytrichaceae. In: G. S. Mogensen, ed. Illustrated moss flora of arctic North America and Greenland. 1. Meddel. Grønland, Biosci. 17: 9–57.
Author: Long, D.G.
Year: 1985
Title: Polytrichaceae
Editor: Mogensen, G.S.
Publication title: Illustrated moss flora of arctic North America and Greenland. 1
Journal: Meddel. Grønland, Biosci
Volume: 17
Pages: 9–57