Verbatim text: Marsh, V.L. 1952. A taxonomic revision of the genus Poa of the United States and southern Canada. Amer. Midi. Naturalist 47:202-250
Author: Marsh, V.L.
Year: 1952
Title: A taxonomic revision of the genus Poa of the United States and southern Canada
Journal: Amer. Midi. Naturalist
Volume: 47
Pages: 202–250