Muhlenberg, G.H.E. (1817), Descriptio Uberior Graminum et Plantarum Calamariarum: 131 [comb. nov.]

basionym: Panicum ischaemum Schreb. legitimate

Henrard, J.Th. (15 January 1950), Monograph of the genus Digitaria: 353-358 [secondary reference]

Cross, D.O. & Vickery, J.W. (22 May 1950), List of the naturalised grasses in New South Wales. Contributions from the New South Wales National Herbarium 1(5): 277 [secondary reference]

Vickery, J.W. (1961), Gramineae. Contributions from the New South Wales National Herbarium, Flora Series 19(1): 95 [secondary reference]

nomenclatural synonym: Panicum ischaemum Schreb. legitimate taxonomic synonym: Digitaria humifusa Pers. legitimate taxonomic synonym: Syntherisma glabrum Schrad. legitimate taxonomic synonym: Syntherisma glabra Schrad. orth. var. taxonomic synonym: Panicum glabrum (Schrad.) Gaudin legitimate taxonomic synonym: Digitaria glabra (Schrad.) P.Beauv. legitimate taxonomic synonym: Panicum humifusum (Pers.) Kunth legitimate

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 521 [secondary reference]

common name: Smooth Summer Grass [n/a] common name: Smooth Crab Grass [n/a]

Burbidge, N.T. & Gray, M. (1970), Flora of the Australian Capital Territory: 64 [secondary reference]

common name: Smooth Crab Grass [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 43 [secondary reference]

Webster, R.D. (31 January 1984), A revision of the genus Digitaria Haller (Paniceae: Poaceae) in Australia. Brunonia 6(2): 186-187 [secondary reference]

nomenclatural synonym: Panicum ischaemum Schreb. legitimate taxonomic synonym: Digitaria humifusa Pers. legitimate taxonomic synonym: Panicum glabrum (Schrad.) Gaudin legitimate taxonomic synonym: Digitaria glabra (Schrad.) P.Beauv. legitimate taxonomic synonym: Panicum humifusum (Pers.) Kunth legitimate

Webster, R.D. (1987), The Australian Paniceae (Poaceae): 53-54 [secondary reference]

taxonomic synonym: Panicum glabrum (Schrad.) Gaudin legitimate

Jacobs, S.W.L. & Wall, C.A. in Harden, G.J. (ed.) (1993), Poaceae p.p. Flora of New South Wales 4: 460 [secondary reference]

Walsh, N.G. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Poaceae. Flora of Victoria Edn. 1, 2: 609-610 [secondary reference]

nomenclatural synonym: Panicum ischaemum Schreb. legitimate common name: Smooth Summer-grass [n/a]

Jacobs, S.W.L., Whalley, R.D.B. & Wheeler, D.J.B. (2008), Grasses of New South Wales Edn. 4: 218 (fig.) [secondary reference]

Council of Heads of Australasian Herbaria (2009), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Panicum ischaemum Schreb. legitimate taxonomic synonym: Syntherisma glabra Schrad. orth. var. taxonomic synonym: Syntherisma glabrum Schrad. legitimate taxonomic synonym: Panicum glabrum (Schrad.) Gaudin legitimate taxonomic synonym: Digitaria glabra (Schrad.) P.Beauv. legitimate taxonomic synonym: Digitaria ischaemum Muhl. nom. inval., nom. nud.

• APC Comment: The authorship of Panicum ischaemum is sometimes given as "Schreb. ex Schweigg.", but Schweigger (Spec. Fl. Erlang. 16, footnote (1804)) ascribed the name and the validating description to Schreber.
• APC Dist.: SA (naturalised), NSW (naturalised), ACT (naturalised), Vic (naturalised)

Crespo, M.B., Alonso, M.A., Martínez-Azorín, M. & Sáez, L. (4 August 2020), Miscellaneous notes on nomenclature and taxonomy of some Old World names in tribe Paniceae (Panicoideae, Poaceae). Phytotaxa 454(4): 246 [secondary reference]

nomenclatural synonym: Panicum ischaemum Schreb. legitimate

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