Carex abscondita mobile field guide

Citation:

Flora of North America Editorial Committee, eds. 1993+  Flora of North America North of Mexico. 14+ vols. Oxford University Press, New York, NY.

New York Botanical Garden Press 1940 Mackenzie, K. K., North American Cariceae. Vol. 1 and 2.

Tropicos.org. 2013 Missouri Botanical Garden

Global Biodiversity Information Facility 2012

Google Fusion Tables 2013

Google Earth 2013