Cyperus prolixus

References

1. [1]Useful Plants of the Siona and Secoya Indians of Eastern Ecuador. — Vickers W.T.; Plowman T. · Field Museum of Natural History; USA. · 1984 · http://www.biodiversitylibrary.org · ISBN 0015 - 0746 ↩︎Very terse, but it gives the uses of a large number of species. It can be downloaded from the Internet.
2. [2]Flora of Guatemala — Standley P.C. & J. A. Steyermark · 1946 - 1976 · http://www.archive.org/ ↩︎A superb reference, though somewhat dated. Gives lots of plant uses as well as information on plant habit and habitat. The entire flora (13 volumes) can now be downloaded from http://www.archive.org/