Mat-forming perennial 100-450 mm high; rhizome long, creeping, profusely branched. Leaf blade 10-30 x 2-3 mm, margins not ciliate. Inflorescence branches whorled. Spikelet 1.5-2.0 mm long, pallid to greyish-green; lower glume 1/3 as long as spikelet; upper glume as long as spikelet; lemma lanceolate-oblong; anther 1.1-1.3 mm long.
Perennial; up to 0.45 m high; mat-forming; rhizome long; with very short internodes; creeping and profusely branched. Leaf blades 10-30 x 2-3 mm; rigid; margins not ciliate. Flowers: panicle whorled; spikelets 1.5-2.0 mm long; lower glume 1/3 spikelet length; upper glume as long as spikelet.
Mat-forming perennial, rhizomatous (rhizome long, creeping and profusely branched), up to 450 mm tall. Leaf blades 10-30 mm long, 2-3 mm wide, margins not ciliate. Spikelets 1.5-2.0 mm long. Panicle whorled; lower glume a third the spikelet length; upper glume as long as spikelet.