Mesomelaena

Mesomelaena is a genus of sedges. It has 5 known species, all endemic to Western Australia.
Species:

Mesomelaena graciliceps K.L.Wilson
Mesomelaena preissii Nees
Mesomelaena pseudostygia K.L.Wilson
Mesomelaena stygia Nees
Mesomelaena tetragona Benth. - Semaphore Sedge