Caustis recurvata Spreng. legitimate | sensu Council of Heads of Australasian Herbaria (2012), Australian Plant Census
Caustis uncinata Nees nom. illeg. Restio uncinatus Spreng. nom. inval., pro syn. Restio uncinatus Benth. nom. inval., pro syn. Restio uncinatus Kük. nom. inval., pro syn.
  • Varietal rank not recognised in Qld.
  • Qld, NSW