Ireland, R. R. (1969). A taxonomic revision of the genus Plagiothecium for North America, north of Mexico.
Chicago Style (17th ed.) CitationIreland, Robert R. A Taxonomic Revision of the Genus Plagiothecium for North America, North of Mexico. 1969.
MLA (9th ed.) CitationIreland, Robert R. A Taxonomic Revision of the Genus Plagiothecium for North America, North of Mexico. 1969.
Warning: These citations may not always be 100% accurate.