References
For Calamagrostis
Barkworth, M.E. 2007r. Ammophila. In Flora of North America Editorial Committee. 2007a. Flora of North America north of Mexico. Volume 24, Magnoliophyta: Commelinidae (in part): Poaceae, part 1. Oxford Univ. Press, New York, NY. 911 pp. Google Scholar
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Marr, K.L., R.J. Hebda, and C.W. Greene. 2007. Calamagrostis. In Flora of North America Editorial Committee. 2007a. Flora of North America north of Mexico. Volume 24, Magnoliophyta: Commelinidae (in part): Poaceae, part 1. Oxford Univ. Press, New York, NY. 911 pp. Google Scholar
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Tucker, G.C. 1996. The genera of Poöideae (Gramineae) in the southeastern United States. Harvard Papers in Botany 9: 11-90. Google Scholar