Deyeuxia mckiei Vickery. Contr. New South Wales Natl. Herb. 1: 72(1940).
Classification. (GPWG 2001) : Subfamily Pooideae. Tribe Poeae.
Type of Basionym or Protologue Information: Australia, Guyra: McKie 657 (K holo).
Key references (books and floras):  D.Sharp & B.K.Simon, AusGrass, Grasses of Australia,  S.W.L.Jacobs, R.D.B.Walley & D.J.B.Wheeler, Grasses of New South Wales (203),  A.Wilson (ed.). Flora of Australia, Vol 44A. Poaceae 2 (203).
Illustrations:  S.W.L.Jacobs, R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South Wales, 4th edn (203).
Habit. Perennial. Culms erect, stature robust to moderate, 60–120 cm tall, firm, 3–5 -noded. Mid-culm nodes glabrous. Lateral branches simple. Leaves cauline. Leaf-sheaths scaberulous. Ligule an eciliate membrane, 2–4 mm long, membranous, abaxially scaberulous, truncate or obtuse. Leaf-blades linear, flat or involute, 5–30 cm long, 2–6 mm wide. Leaf-blade surface scabrous.
Inflorescence. Inflorescence compound, a panicle. Panicle lanceolate, 7–40 cm long.
Spikelets. Spikelets pedicelled. Fertile spikelets 1-flowered, comprising 1 fertile floret(s), with a barren rachilla extension, lanceolate, laterally compressed, 2.5–3.5 mm long.
Glumes. Glumes similar, firmer than fertile lemma. Lower glume lanceolate, membranous, much thinner on margins, keeled, 1-keeled, 1 -nerved. Upper glume lanceolate, 2–2.5 mm long, membranous, keeled, 1-keeled, 1 -nerved. Upper glume surface asperulous.
Florets. Fertile lemma 3.5 mm long, without keel, 5 -nerved. Lemma apex awned, 1 -awned. Median (principal) awn subapical, 0.5 mm long overall. Palea apex dentate. Lodicules present. Anthers 3.
Continental Distribution: Australasia.
Australian Distribution: New South Wales.
New South Wales: North Coast, South Coast, Northern Tablelands, Central Tablelands.
Notes. Endemic. In mountain forests. Flowers spring-summer.