Rhynchospora chalarocephala, known by the common name of loosehead beaksedge, is a member of the sedge family, Cyperaceae. It is a perennial herb, found throughout the southeastern and Mid-Atlantic United States, from New Jersey to Texas.

R. chalarocephala specimens have been observed in habitat types such as pine savannas, bogs, swamps, and oak-hickory woodlands, among other types of environment. Individuals have also occurred in disturbed areas as well, such as within roadside ditches or along hiking trails.

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