Citation:
Flora of North America Editorial Committee, eds. 1993+ Flora of North America North of Mexico. 14+ vols. Oxford University Press, New York, NY.
Naczi, R.F.C., Bryson,C. T., Cochrane, T. S.2002 Seven New Species and One New Combination in Carex (Cyperaceae) from North America. Novon. Volume 12, Number 4.
eMonocot 2013
Global Biodiversity Information Facility 2012
Google Earth 2012