| Chlorocyperus inflexus | Chlorocyperus inflexus (Muhlenberg) Palla, Allg. Bot. Z. Syst. 17(Beih.): 6. 1911. | Cyperus inflexus Muhlenberg 1817. |  | 
				| Cyperus  aristatus  var. boeckeleri | Cyperus aristatus Rottbøll, var. boeckeleri Cavara, Atti Ist. Bot. Univ. Pavia, ser. 2. 5(2): 26. 1899. |  |  | 
				| Cyperus  aristatus  var. falciculosus | Cyperus aristatus Rottbøll, var. falciculosus (Liebmann) Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 505. 1936. | Cyperus falciculosus Liebmann 1850. |  | 
				| Cyperus  aristatus  var. inflexus | Cyperus aristatus Rottbøll, var. inflexus (Muhlenberg) Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 504. 1936. | Cyperus inflexus Muhlenberg 1817 |  | 
				| Cyperus  aristatus  var. runyonii | Cyperus aristatus Rottbøll, var. runyonii O'Neill, Rhodora 44: 56. 1942. |  | TEXAS: Kenedy Co.: Los Norias, s.d., Runyon 1933 (holotype: LCU; isotypes: GH, US). | 
				| Cyperus  brownei | Cyperus brownei Roemer & Schultes, Syst. Veg. 2: 228. 1817. | Cyperus uncinatus R. Brown 1810, non Poiret 1806. |  | 
				| Cyperus  falciculosus | Cyperus falciculosus Liebmann, Kongel. Danske Vidensk. Selsk. Skr., Naturvidensk. Math. Afd., ser. 5. 2: 204. 1850. |  | MEXICO: Veracruz: Near Río de Antigua, Feb 1841, Liebmann 14358 (holotype: C; isotype: B). | 
				| Cyperus  purshii | Cyperus purshii Roemer & Schultes, Syst. Veg. 2: 177. 1817. | Cyperus uncinatus Pursh 1814, non Poiret 1806, nec R. Brown 1810. |  | 
				| Cyperus  uncinatus | Cyperus uncinatus R. Brown, Prodr. 215. 1810, non Poiret 1806. |  |  | 
				| Cyperus  uncinatus | Cyperus uncinatus Pursh, Fl. Amer. Sept. 50. 1814, non Poiret 1806, nec R. Brown 1810. |  |  | 
				| Dichostylis  aristata | Dichostylis aristata Palla, Bot. Jahrb. Syst. 10: 296. 1888, nom. illegit. | Cyperus aristatus Rottbøll 1772, nom. illegit.; Scirpus intricatus Linnaeus 1771.. |  | 
				| Isolepis  echinulata | Isolepis echinulata Kunth, Enum. Pl. 2: 205. 1837. |  | VENEZUELA: Cumana, 1798, Humboldt & Bonpland s.n. (holotype: B). | 
				| Mariscus  squarrosus | Mariscus squarrosus (Linnaeus) C. B. Clarke, in Hooker f., Fl. Brit. India 6: 623. 1893. | Cyperus squarrosus Linnaeus 1756. |  | 
				| Pycreus  squarrosus | Pycreus squarrosus (Linnaeus) Nees von Esenbeck, Linnaea 9: 283. 1834. | Cyperus squarrosus Linnaeus 1756. |  | 
				| Scirpus  capitatus | Scirpus capitatus Burman f., Fl. Indica 21. 1768, non Linnaeus 1753. |  | INDIA | 
				| Scirpus  intricatus | Scirpus intricatus Linnaeus, Mant. Pl. 2: 182. 1771. |  | SOUTH AFRICA: Cape Prov.: Without data (lectotype: LINN 71.50). Lectotypified by C. B. Clarke, J. Linn. Soc., Bot. 30: 313. 1894. | 
				| Scirpus  lappaceus | Scirpus lappaceus Lamarck, Tabl. Encycl. 1: 139. 1791. |  | INDIA | 
				| Cyperus aristatus | Cyperus aristatus Rottbøll, Descr.Pl. Rar. 22. 1772, nom. illegit. | Scirpus intricatus Burman f. 1768. |  | 
				| Cyperus inflexus | Cyperus inflexus Muhlenberg, Descr. Gram. 16. 1817. |  | PENNSYLVANIA: Without data, Muhlenberg Herb. 27 (holotype: PH; isotype: B-W). |