Synonyms: Carex acuta f. rigida; Carex acuta f. zygostachya; Carex acuta personata; Carex acuta var. chlorotica; Carex acuta var. fluviatilis; Carex acuta var. longiglumis; Carex acuta var. minor (heterotypic); Carex acuta var. nutans; Carex acuta var. personata; Carex acuta var. pseudaquatilis; Carex acuta var. sphaerocarpa; Carex acuta var. staminifera; Carex aemulans; Carex amami-oshimensis; Carex asperifolia; Carex assimilis; Carex boissieri; Carex brunnea f. simplex; Carex brunnea masoalensis; Carex brunnea var. masoalensis; Carex brunnea var. minor; Carex brunnea var. nakiri; Carex brunnea var. scabrifolia; Carex buruensis; Carex commersoniana (homotypic); Carex compacta (heterotypic); Carex conjugata (homotypic); Carex fabri; Carex gentilis var. oshimensis; Carex gracilis f. protensa; Carex gracilis f. zygostachya; Carex gracilis var. chlorotica; Carex gracilis var. compacta; Carex gracilis var. fluviatilis; Carex gracilis var. minor; Carex gracilis var. personata; Carex gracilis var. sphaerocarpa; Carex ischnantha; Carex masoalensis; Carex mauritanica (heterotypic); Carex megacarpa; Carex nakiri; Carex paludosa var. aemulans; Carex personata; Carex prolixa var. protensa; Carex sendaica var. nakiri; Carex spadiceovaginata; Carex tenuispica (heterotypic); Caricina compacta; Vignea conjugata