Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 175 [tax. nov.]

• Type: (not designated).

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 133 [secondary reference]

taxonomic synonym: Gamelythrum Nees legitimate taxonomic synonym: Pentacraspedon Steud. legitimate pro parte taxonomic synonym: Aegopogon Humb. & Bonpl. ex Willd. legitimate

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 623 [secondary reference]

Black, J.M. (1922), Cyatheaceae - Orchidaceae. Flora of South Australia 1: 63 [secondary reference]

• Etymology: "Greek amphi, both; pogon, beard: because both the flowering glume and palea have ciliate awns."

Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 81 [secondary reference]

• Etymology: "Greek amphi, both; pogon, beard; because both the flowering glume and palea have ciliate awns"

Vickery, J.W. (22 May 1950), The species of Amphipogon R.Br. Contributions from the New South Wales National Herbarium 1(5): 281-295 [secondary reference]

Gardner, C.A. (1952), Gramineae. Flora of Western Australia 1(1): 134 [secondary reference]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 530 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 36 [secondary reference]

Lazarides, M. in Jessop, J.P. (ed.) (1981), Gramineae (Poaceae). Flora of Central Australia: 447 [secondary reference]

Bennett, E.M. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Poaceae. Flora of the Perth Region 2: 937 [secondary reference]

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1989), Poaceae. Flora of South-eastern Queensland 3: 141 [secondary reference]

Brummitt, R.K. (1992), Vascular Plant Families and Genera: 178, 322 [secondary reference]

taxonomic synonym: Gamelythrum Nees legitimate taxonomic synonym: Pentacraspedon Steud. legitimate

Macfarlane, T.D. in Wheeler, J.R. (ed.) (1992), Amphipogon. Flora of the Kimberley Region: 1120-1122 [secondary reference]

Jacobs, S.W.L. & Hastings, S.M. in Harden, G.J. (ed.) (1993), Amphipogon. Flora of New South Wales 4: 564 [secondary reference]

common name: Greybeard Grasses [n/a]

Walsh, N.G. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Poaceae. Flora of Victoria Edn. 1, 2: 545 [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Flora of the South West 1: 398 [secondary reference]

Macfarlane, T.D. in Mallett, K. (ed.) (2005), Trib. Amphipogoneae. Flora of Australia 44B: 9-10 [secondary reference]

taxonomic synonym: Diplopogon R.Br. legitimate taxonomic synonym: Dipogonia P.Beauv. nom. illeg., nom. superfl. taxonomic synonym: Gamelythrum Nees legitimate taxonomic synonym: Pentacraspedon Steud. legitimate common name: Greybeard Grasses [n/a]

Council of Heads of Australasian Herbaria (2008), Australian Plant Census: - APC [secondary reference]

taxonomic synonym: Diplopogon R.Br. legitimate taxonomic synonym: Diplogon Poir. orth. var. taxonomic synonym: Dipogonia P.Beauv. nom. illeg., nom. superfl. taxonomic synonym: Gamelythrum Nees legitimate taxonomic synonym: Pentacraspedon Steud. legitimate taxonomic synonym: Pentacraspedion F.Muell. orth. var.

• APC Dist.: WA, SA, Qld, NSW, Vic

Jacobs, S.W.L., Whalley, R.D.B. & Wheeler, D.J.B. (2008), Grasses of New South Wales Edn. 4: 82 (fig.), 120 [secondary reference]

common name: Greybeard Grasses [n/a]

• Etymology: "the Greek words for 'both' and 'beard', referring to the awned lemma and palea."

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 40 [secondary reference]

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