Cyperus aggregatus (Willd.) Endl. legitimate | sensu Council of Heads of Australasian Herbaria (2012), Australian Plant Census
Carex sieberi Nees ex Kunth nom. inval., pro syn. Cyperus cayennensis Desf. ex Link legitimate Cyperus cayennensis (Lam.) Britton nom. illeg. Cyperus flavus Nees nom. illeg. Cyperus flavus var. aggregatus (Willd.) Kük. legitimate Kyllinga cayennensis Lam. legitimate Mariscus aggregatus Willd. legitimate Mariscus flavus Vahl legitimate Mariscus laevigatus Roem. & Schult. legitimate Mariscus laevis Kunth nom. illeg. Mariscus rigidus Spreng. legitimate
  • A.D.Chapman, Austral. Pl. Name Index 1936 (1991), treats the name Mariscus laevigatus as illegitimate on the basis that M. laevis Kunth was cited in synonymy. However, as M. laevis Kunth is itself illegitimate M. laevigatus Roem. & Schult. is here treated as a nomen novum.
  • Qld (naturalised), NSW (naturalised)