Plinthanthesis
Plinthanthesis is a genus of Australian plants in the grass family.
; SpeciesPlinthanthesis paradoxa S.T.Blake - New South Wales, VictoriaPlinthanthesis rodwayi S.T.Blake - New South WalesPlinthanthesis urvillei Steud. - New South Wales
; formerly included
see Rytidosperma
- ''Plinthanthesis tenuior - Rytidosperma tenuius''