Bartalini, B. (1776), Catalogo delle piante ... alla citta' di Siena: 60 [comb. nov.]

basionym: Medicago polymorpha var. orbicularis L. legitimate

Bailey, F.M. (1904), Contributions to the Flora of Queensland. Queensland Agricultural Journal 14(1): 33 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 133 [secondary reference]

Black, J.M. (1918), Additions to the Flora of South Australia. No. 13. Transactions and proceedings of the Royal Society of South Australia 42: 46 [secondary reference]

Black, J.M. (1924), Casuarinaceae - Euphorbiaceae. Flora of South Australia 2: 313, Fig. 145A [secondary reference]

common name: Button Clover [n/a]

Black, J.M. (January 1948), Casuarinaceae-Euphorbiaceae. Flora of South Australia Edn. 2, 2: 458, Fig. 635A [secondary reference]

common name: Button Medic [n/a]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 251 [secondary reference]

common name: Button Medic [n/a]

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 402-403, Fig. 51e [secondary reference]

common name: Flat Snail Clover [n/a] common name: Burrless Clover [n/a] common name: Button Clover [n/a] common name: Button 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: 280-281, Fig. 45C APC [secondary reference]

nomenclatural synonym: Medicago polymorpha var. orbicularis L. legitimate common name: Button Medic [n/a]

• APC Dist.: WA (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), Vic (formerly naturalised)

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

Gray, M. & Michael, P.W. (1986), List of plants collected at the old Flemington Saleyards, Sydney, New South Wales. Plant Protection Quarterly 1(4): 139 [secondary reference]

common name: Button medic [n/a]

Weston, P.H. in Harden, G.J. (ed.) (1991), Medicago. Flora of New South Wales 2: 453 [secondary reference]

common name: Button Medic [n/a]

Jeanes, J.A. in Walsh, N.G. & Entwisle, T.J. (ed.) (1996), Fabaceae. Flora of Victoria 3: 724-725, Fig. 146e [secondary reference]

nomenclatural synonym: Medicago polymorpha var. orbicularis L. legitimate common name: Button Medic [n/a]

Weston, P.H. in Harden, G.J. (ed.) (2002), Medicago. Flora of New South Wales Revised Edition 2: 623 [secondary reference]

common name: Button Medic [n/a]

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