Amphibromus nervosus (Hook.f.) Baill

Common Swamp Wallaby-grass

Hist. Pl. 12: 203 (1893)

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Tufted perennial (rarely rooting at the nodes); culms to 1.2 m high. Leaves glabrous, smooth or slightly scabrous; blade flat, folded or inrolled, to 30 cm long and 1.5–3.5 mm wide; ligule acute, 7–20 mm long. Inflorescence a slender, erect panicle, often interrupted and incompletely exserted, to 40 cm long. Spikelets 4–6-flowered, 10–16 mm long (excluding awns), green; glumes obtuse, often erose at apex, the lower 1–3-nerved, 3–5.5 mm long, the upper 3–5-nerved, 4–6.5 mm long; lemma 5–7.2 mm long, sparsely to moderately scabrous, apical teeth 2, or if 4, the lateral pair reduced, inner pair 0.3–1 mm long; awn 12–22 mm long, inserted 40–55% of the lemma length from the apex, column 4–9 mm long; palea slightly shorter than lemma. Flowers Oct.–Jan.

CVU, DunT, EGL, GipP, Glep, Gold, GGr, HNF, HSF, LoM, MonT, MuF, MuM, MSB, NIS, OtP, RobP, Strz, VRiv, VVP, WPro, Wim. Also WA, SA, NSW. The commonest species of Amphibromus in Victoria, occurring in swamps and drains on a wide variety of soils, including mallee sands, cracking basaltic clays, alluvium etc. Formerly included within A. neesii.

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.
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Poales
family Poaceae
genus Amphibromus
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Amphibromus nervosus in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Amphibromus nervosus in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Murray Scroll Belt present native
Robinvale Plains present native
Murray Fans present native
Gippsland Plain present native
Otway Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native
Northern Inland Slopes present native
East Gippsland Lowlands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Strzelecki Ranges present native
Monaro Tablelands present native

State distribution

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