Holcus lanatus L.

Yorkshire Fog

Sp. Pl. 1048 (1753) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Naturalised

Tufted perennial, culms erect, to 1m high. Leaves covered with velvety hairs (rarely nearly glabrous) and appearing greyish; blade to 25 cm long and 3–10 mm wide; ligule truncate, 1–4 mm long. Inflorescence a moderately dense, narrowly ovate panicle, 3–20 cm long, pinkish when young. Spikelets 2-flowered, 4–6 mm long; glumes subequal, enclosing florets, papery, with short hairs along nerves, the upper sometimes with a fine, subapical awn to 1 mm long; lemma of lower floret 2–2.5 mm long, awnless, upper lemma slightly shorter and with a strongly hooked subapical awn 1–1.5 mm long. Flowers mainly Aug.–Dec.

*Brid, *CVU, *DunT, *EGL, *EGU, *GipP, *Glep, *Gold, *GGr, *HFE, *HNF, *HSF, *LoM, *MonT, *MuF, *MuM, *NIS, *OtP, *OtR, *SnM, *Strz, *VAlp, *VRiv, *VVP, *WaP, *WPro, *Wim. Naturalized in all States except NT. Indigenous in north-western Africa, Europe and temperate Asia, but widely naturalised in other temperate zones (e.g. the Americas, southern Africa, New Zealand). A common weed of wasteland, roadsides and wetter pasture throughout most of the State, but not in the far north-west. Occasionally invading native plant communities following disturbance.

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: Daniel Ohlsen, 2017-06-15
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Poaceae
genus Holcus
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Holcus lanatus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Holcus lanatus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present naturalised
Murray Mallee present naturalised
Wimmera present naturalised
Glenelg Plain present naturalised
Bridgewater present naturalised
Victorian Volcanic Plain present naturalised
Victorian Riverina present naturalised
Murray Fans present naturalised
Gippsland Plain present naturalised
Otway 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 naturalised
Wilsons Promontory present naturalised
Highlands-Southern Fall present naturalised
Highlands-Northern Fall present naturalised
Otway Ranges present naturalised
Strzelecki Ranges present naturalised
Monaro Tablelands present naturalised
Highlands-Far East present naturalised
Victorian Alps present naturalised
Snowy Mountains present naturalised

State distribution

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