Sporobolus R.Br.
Spikelets 1–2 mm long, dull green-grey, crowded in narrow spike-like panicles, awnless Sporobolus
Lowest branches of inflorescence not whorled (1 or 2 branches only)
Inflorescence loose, or narrow and interrupted and ± spike-like with the main axis visible between the branches in the upper two-thirds
Inflorescence narrow, and interrupted. Spikelets contacted along the primary axis
Inflorescence with stiff appressed branches, interrupted in the upper two-thirds, up to 40 cm long. Spikelets 1.3–1.8 mm long. Fruit c. two-thirds as long as the spikelet. Leaf blades up to 45 cm long and to 3 mm wide. Erect tufted perennial 40–140 cm long. Hornsby Plateau; Cumberland Plain. Grasslands and open forests on sandy or loamy soils. Slender Rat’s Tail Grass Sporobolus creber
Most of the axis in the upper half of the inflorescence hidden by the appressed branches. Leaf blades up to 35 cm long and up to 3 mm wide, often ciliate on the margin. Inflorescence spike-like with the axis visible between the appressed branches in the lower half, up to 30 cm long. Spikelets 1.5–2.3 mm long. Fruit c. half the length of the spikelet. Erect tufted perennial up to c. 1 m high. Widespread. Pastures and open woodlands. Fl. summer. Slender Rat’s Tail Grass Sporobolus elongatus