Schoenus australis is a species of sedge endemic to locations near the southern coast of South Africa.

[1] Schoenus crassus tends to have shorter (i.e. less than half the culm height) and firmer leaves compared to those of S.

[1] Schoenus australis is a species in family Cyperaceae, tribe Schoeneae, which includes genera such as Lepidosperma, Oreobolus, Costularia, Tetraria and Gahnia.

[2][1] Southern African Schoenus were once classified as Tetraria; however, we now know that the two groups are evolutionary distinct based on molecular and morphological differences.

[5] Schoenus australis is endemic to locations along the southern coast of South Africa, with its distribution ranging from Rooi Els in the Western Cape Province to the Port Elizabeth area of the Eastern Cape Province.