Verbatim text: Wareham, R. T. 1939. Pterigoneurum [sic]. In: A. J. Grout. 1928–1940. Moss Flora of North America, North of Mexico. 3 vols. in 12 parts. Newfane, Vt. and New York. Vol. 1, pp. 208–211.
Author: Wareham, R.T.
Year: 1939
Title: Moss Flora of North America, North of Mexico
Editor: Grout, A.J.
Book year: 1928–1940
Book volume: 3 vols. in 12 parts
Volume: 1
Pages: 208–211