Numerous pictures of this invasive nut rush, also known as "Wright's nut rush," from the Florida Center for Aquatic and Invasive Plants.

Information on the spread of this invasive nut rush in central Florida, from the United States Geological Survey. Includes identification tips, distribution map and printable flyer.

Taxonomical synonyms, classification details, US distribution map, and bibliography. From the Plants Database of the US Department of Agriculture.

Photographs, Wisconsin range map, taxonomic synonyms and links to additional resources from this species, also known as "tall nut rush." From the Wisconsin State Herbarium.