1. Scirpus validus and allies in the Champlain valley;Brainerd;Rhodora,1904
2. A list of the species of the genera Scirpus and Rhynchospora occurring in North America;Britton;New York Acad. of Sci. Trans.,1892
3. The North American allies of Scirpus lacustris;Chase;Rhodora,1904
4. Scirpus validus for demonstrating procambium;Gleason;Rept. Michigan Acad. Sci.,1918
5. Scirpus acutus Muhl;Fernald;Rhodora,1920