Cyperus meridionalis is a species of herb in the family sedges. They are native to Tocantins, SãO Paulo, GoiáS, Mato Grosso Do Sul, Distrito Federal, Bahia, Pampa, Minas Gerais, and Cerrado.
Definition: This organism produces this material or substance, either during its life or after death. A produces B if some process that occurs in A has output B.
Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)