Key to the subspecies of Austrostipa scabra
Current node
- Orifice of leaf-sheath conspicuously ciliate; asymmetrical auricular lobe of upper leaves usually less than 1 mm long; leaves commonly less than 15 cm long; inflorescence typically sparse, with spikelets somewhat spreading from axis; widespread in western, central and north-eastern areas of State, rare in the east
- Orifice of leaf-sheath glabrous or almost so; asymmetrical auricular lobe of upper leaves to 4 mm long; leaf-blades hardly ribbed, commonly more than 15 cm long; inflorescence typically narrow, with spikelets virtually appressed to axis; mostly rain-shadow areas in the east