Isolepis australiensis
(Maiden & Betche) K.L.WilsonSmall tufted annual. Culms filiform, to 15 cm high. Leaves to 3 cm long. Spikelets 1–3 per inflorescence, 2–4 mm long; involucral bract (rarely 2 bracts) erect or spreading, to 10 mm long; glumes acute, excurved, not or scarcely mucronate, sides nerveless or rarely with 1 nerve near keel, with hyaline sides (often tinged red-brown), 0.8–1.2 mm long; stamens 1–3; style 3-fid. Nut ± equally trigonous, obovoid, minutely verrucose or papillose, glistening, pale brown to dark red-brown, from one-half to two-thirds as long as glume, 0.4–0.6 mm long, c. 0.3 mm diam. Flowers spring–summer.
LoM, MuM, Wim, GleP, VRiv, MSB, RobP, GGr. Also NT, SA, Qld, NSW. Rather rare in Victoria and predominantly found in the far north and north-west of Victoria (e.g. Lindsay Is., Mildura, Hattah, Robinvale, Boort), as well as Echuca, and an isolated record near Edenhope, occurring in seasonally wet situations or following heavy summer rain.
Wilson, K.L. (1994). Cyperaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons, pp. 238–356. Inkata Press, Melbourne.