Hordeum hystrix Roth

Mediterranean Barley Grass

Catal. Bot. 1: 23 (1797) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Tufted annual, culms erect or geniculate, to 50 cm high. Leaf-blades flat, 4–15 cm long and 1.5–4 mm wide, velvety-hairy; sheaths of lower leaves with scattered to moderately dense hairs 0.5–1 mm long, sheaths of upper leaves inflated; ligules membranous, c. 0.5 mm long; auricles not developed. Spike 1.5–5 cm long (excluding awns), rachis strongly zig-zagged. Glumes of spikelets in each triad subequal, or those of the central spikelet shorter, 10–20 mm long, glumes of the bisexual central spikelet and outer glume of barren lateral spikelets subulate; inner glumes of lateral spikelets subulate to slightly dilated (but not prominently winged) toward base, to 0.7 mm wide; lemma of central spikelet 6–7 mm long, smooth, with a straight terminal awn 10–23 mm long, exceeding glumes; awn and lemma of lateral spikelets from half as long to subequal to those of central spikelet; palea subequal to lemma. Flowers Sep.–Jan.

*CVU, *DunT, *EGL, *GipP, *Glep, *Gold, *GGr, *HNF, *LoM, *MonT, *MuF, *MuM, *NIS, *NIS, *Strz, *VRiv, *VVP, *Wim. Also naturalised WA, NT (doubtfully naturalised), SA, NSW, Tas. Indigenous to southern and eastern Europe. Except for the Otway Range and alpine areas, occurs almost throughout the State, usually on silty soils or clays, particularly in seasonally wet sites.

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 (as Critesion hystrix (Roth) A.Löve).
Updated by: Val Stajsic, 2018-01-08
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Poaceae
genus Hordeum
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Hordeum hystrix in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Hordeum hystrix in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present naturalised
Murray Mallee present naturalised
Wimmera present naturalised
Glenelg Plain present naturalised
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Murray Fans present naturalised
Gippsland Plain present naturalised
Goldfields present naturalised
Central Victorian Uplands present naturalised
Greater Grampians present naturalised
Dundas Tablelands present naturalised
Northern Inland Slopes present introduced
Northern Inland Slopes present naturalised
East Gippsland Lowlands present introduced
Highlands-Northern Fall present introduced
Strzelecki Ranges present introduced
Monaro Tablelands present introduced

State distribution

Distribution map
Western Australia
South Australia
New South Wales
Australian Capital Territory