Aira praecox L.

Early Hair-grass

Sp. Pl. 65 (1753) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Culms 5–25 cm high. Leaves glabrous; blade inrolled, to 4 cm long and 1 mm wide; ligule to 4 mm long. Panicle remaining dense and spike-like, to 5 cm long, 2–8 mm wide. Spikelets 2.5–3.5 mm long; glumes equal, acute; lemmas slightly shorter than glumes, glabrous except for short callus hairs, minutely scabrous; awn present on both lemmas, inserted about one-third from base, c. 3 mm long. Flowers Jul–Sep.

*CVU, *DunT, *EGL, *EGU, *GipP, *Glep, *Gold, *GGr, *HNF, *HSF, *LoM, *MonT, *NIS, *SnM, *Strz, *VAlp, *VVP, *WaP, *WPro, *Wim. Also naturalised in WA, NSW, Tas., the Americas, New Zealand. Indigenous to Europe where widespread. An occasional weed usually of sandy soils mostly in the southern half of the State, often near-coastal, but occasionally extending to montane or subalpine sites (e.g. Baw Baws, Strathbogie Ranges, Gelantipy area).

Source: Walsh, N.G. (1994). Poaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Updated by: Neville Walsh, 2015-06-30
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Poaceae
genus Aira
Higher taxa
species Aira praecox L.


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Aira praecox in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Aira praecox in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present naturalised
Wimmera present naturalised
Glenelg Plain present naturalised
Victorian Volcanic Plain present naturalised
Gippsland Plain present naturalised
Warrnambool Plain present naturalised
Goldfields present naturalised
Central Victorian Uplands present naturalised
Greater Grampians present naturalised
Dundas Tablelands present naturalised
Northern Inland Slopes present naturalised
East Gippsland Lowlands present naturalised
East Gippsland Uplands present introduced
Wilsons Promontory present naturalised
Highlands-Southern Fall present naturalised
Highlands-Northern Fall present naturalised
Strzelecki Ranges present naturalised
Monaro Tablelands present naturalised
Victorian Alps present naturalised
Snowy Mountains present naturalised

State distribution

Distribution map
Western Australia
South Australia
New South Wales