Kaliwatan sa tanom nga balili ang Cyperus brunneus.^[1] Una ning gihulagway ni Olof Swartz.^[2] Ang Cyperus brunneus sakop sa kahenera nga Cyperus, ug kabanay nga Cyperaceae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Isla sa Cayman
• Cuba
• Dominikanhong Republika
• Haiti
• habagatan-sidlakang Mehiko
• Puerto Rico
• Bahamas
• Leeward Islands
• Windward Islands
• Guatemala

Walay nalista nga matang nga sama niini.^[1]

1. ↑ ^{1.0 1.1 1.2} Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2019). "Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist". Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X. TaxonID: 43176922. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Sw. (1797) , In: Fl. Ind. Occid. 1: 116
3. ↑ Govaerts R. (ed). For a full list of reviewers see: http://apps.kew.org/wcsp/compilersReviewers.do (2019). WCSP: World Checklist of Selected Plant Families (version Aug 2017). In: Species 2000 & ITIS Catalogue of Life, 2019 Annual Checklist (Roskov Y., Ower G., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., Nieukerken E. van, Zarucchi J., Penev L., eds.). Digital resource at www.catalogueoflife.org/annual-checklist/2019. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X.