Synonyms: Carex subulata (heterotypic); Carex tenuis (heterotypic); Hypoporum capillare; Hypoporum capillaris; Hypoporum gracile; Hypoporum purpurascens (heterotypic); Hypoporum purpureum; Hypoporum sieberi; Scleria capillaris; Scleria elongata (heterotypic); Scleria filiformis; Scleria glaucescens; Scleria gracilis (heterotypic); Scleria krugiana; Scleria lithosperma f. ramosa; Scleria lithosperma var. filiformis; Scleria margaritifera (heterotypic); Scleria pauciflora (heterotypic); Scleria purpurea; Scleria puzzolanea; Scleria subulata; Scleria tenuis