Reference:Hitchcock1913a
Verbatim text: Hitchcock, A.S. 1913. Mexican grasses in the United States National Herbarium. Contr. U.S. Natl. Herb. 173:181-389
Author: Hitchcock, A.S.
Year: 1913
Title: Mexican grasses in the United States National Herbarium
Journal: Contr. U.S. Natl. Herb
Volume: 173
Pages: 181–389