Linnaeus, C. (1 May 1753), Species Plantarum 2: 779 [tax. nov.]

• Type: "Habitat in Europa australi."

Quinlivan, B.J. (1965), Journal of the Department of Agriculture, Western Australia ser. 4 6: 541 [secondary reference]

Curtis, W.M. & Morris, D.I. (1975), Angiospermae: Ranunculaceae to Myrtaceae. The Student's Flora of Tasmania Edn. 2, 1: 154 [secondary reference]

taxonomic synonym: Medicago hispida Gaertn. legitimate common name: Burr Medick [n/a]

Crisp, M.D. in Jessop, J.P. (ed.) (1981), Papilionaceae (Fabaceae) - most genera. Flora of Central Australia: 174, Fig. 198A [secondary reference]

taxonomic synonym: Medicago hispida Gaertn. legitimate common name: Burr medic [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 124 [secondary reference]

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1984), Fabaceae. Flora of South-eastern Queensland 1: 281 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 97 [secondary reference]

taxonomic synonym: Medicago denticulata Willd. legitimate

Wheeler, J.R. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Papilionaceae. Flora of the Perth Region 1: 284 [secondary reference]

common name: Burr Medic [n/a]

Green, J.W. (18 October 1987), Census of the Vascular Plants of Western Australia Edn. 2, Suppl. 5: 9 [secondary reference]

• Comment: Green indicates that the name Medicago hispida has been misapplied to this species but cites no reference.

Weston, P.H. in Harden, G.J. (ed.) (1991), Medicago. Flora of New South Wales 2: 455 [secondary reference]

taxonomic synonym: Medicago polymorpha var. vulgaris (Benth.) Shinners nom. superfl. taxonomic synonym: Medicago polymorpha var. brevispina (Benth.) Heyn legitimate common name: Burr Medic [n/a]

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 192 [secondary reference]

taxonomic synonym: Medicago denticulata Willd. legitimate

Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Fabaceae. Flora of Victoria 3: 724, Fig. 146g [secondary reference]

taxonomic synonym: Medicago hispida Gaertn. legitimate common name: Burr Medic [n/a]

Weston, P.H. in Harden, G.J. (ed.) (2002), Medicago. Flora of New South Wales Revised Edition 2: 625 [secondary reference]

taxonomic synonym: Medicago polymorpha var. vulgaris (Benth.) Shinners nom. superfl. taxonomic synonym: Medicago polymorpha var. brevispina (Benth.) Heyn legitimate common name: Burr Medic [n/a]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 767 [secondary reference]

common name: Burr Medic [n/a]

Jessup, L.W. (2003), Flora of South-eastern Queensland Volume 1 Changes to names or status of taxa: - [secondary reference]

taxonomic synonym: Medicago polymorpha var. vulgaris (Benth.) Shinners nom. superfl. taxonomic synonym: Medicago polymorpha var. brevispina (Benth.) Heyn legitimate

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Medicago polymorpha L. var. polymorpha legitimate nomenclatural synonym: Medicago polymorpha L. subsp. polymorpha legitimate taxonomic synonym: Medicago nigra Krock. legitimate taxonomic synonym: Medicago coronata Gaertn. nom. illeg. taxonomic synonym: Medicago hispida Gaertn. legitimate taxonomic synonym: Medicago lappacea Desr. legitimate taxonomic synonym: Medicago denticulata Willd. legitimate taxonomic synonym: Medicago apiculata Willd. legitimate taxonomic synonym: Medicago reticulata Benth. legitimate taxonomic synonym: Medicago denticulata var. brevispina Benth. legitimate taxonomic synonym: Medicago denticulata var. vulgaris Benth. nom. inval. taxonomic synonym: Medicago apiculata var. confinis Koch legitimate taxonomic synonym: Medicago hispida var. longispina Urb. legitimate taxonomic synonym: Medicago hispida var. inermis Urb. nom. illeg. taxonomic synonym: Medicago hispida var. denticulata (Willd.) Urb. legitimate taxonomic synonym: Medicago hispida var. apiculata (Willd.) Urb. legitimate taxonomic synonym: Medicago hispida var. confinis (Koch) Burnat legitimate taxonomic synonym: Medicago hispida var. lappacea J.M.Black legitimate taxonomic synonym: Medicago confinis (Koch) J.M.Black legitimate taxonomic synonym: Medicago polymorpha var. vulgaris (Benth.) Shinners nom. superfl. taxonomic synonym: Medicago polymorpha var. brevispina (Benth.) Heyn legitimate

• APC Comment: Medicago polymorpha var. brevispina and M. polymorpha var. vulgaris are recognised as distinct taxa in the NT.
• APC Dist.: WA (naturalised), NT (naturalised), Qld (naturalised), NSW (naturalised), LHI (naturalised), NI (naturalised), ACT (naturalised), Vic (naturalised), Tas (naturalised)

Barrett, Russell & Tay, Eng Pin (2016), Perth Plants: a Field Guide to the Bushland and Coastal Flora of Kings Park and Bold Park Edn. 2: 306-307, photos 1-3 [secondary reference]

common name: Burr Medic [n/a]

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 45, 46 [secondary reference]

taxonomic synonym: Medicago denticulata Willd. legitimate taxonomic synonym: Medicago hispida var. denticulata (Willd.) Urb. legitimate taxonomic synonym: Medicago hispida var. apiculata (Willd.) Urb. legitimate taxonomic synonym: Medicago hispida var. confinis (Koch) Burnat legitimate

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