Gaertner, J. (December 1788), De Fructibus et Seminibus Plantarum 1: 82, t. 20, fig. 6 [comb. nov.]

basionym: Tordylium nodosum L. legitimate

Black, J.M. (December 1926), Meliaceae - Scrophulariaceae. Flora of South Australia 3: 442, Fig. 179 [secondary reference]

nomenclatural synonym: Caucalis nodosa (L.) Scop. legitimate

White, C.T. (1942), Contributions to the Queensland Flora, No. 7. Proceedings of the Royal Society of Queensland 53: 219 [secondary reference]

Black, J.M. (1952), Flora of South Australia Edn. 2, 3: 660, Fig. 908 [secondary reference]

nomenclatural synonym: Caucalis nodosa (L.) Scop. legitimate common name: Hedgehog Parsley [n/a]

Curtis, W.M. (1963), Angiospermae: Lythraceae to Epacridaceae. The Student's Flora of Tasmania 2: 262-263 [secondary reference]

nomenclatural synonym: Caucalis nodosa (L.) Scop. legitimate common name: Knotted Parsley [n/a]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 67 [secondary reference]

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Apiaceae. Flora of South-eastern Queensland 2: 247, Fig. 36E [secondary reference]

nomenclatural synonym: Tordylium nodosum L. legitimate nomenclatural synonym: Caucalis nodosa (L.) Scop. legitimate common name: Knotted Parsley [n/a]

Powell, J.M. in Harden, G.J. (ed.) (1992), Apiaceae p.p. Flora of New South Wales 3: 98 [secondary reference]

common name: Knotted Hedge-parsley [n/a]

Green, P.S. in Wilson, A.J.G. (ed.) (1994), Norfolk Island & Lord Howe Island. Flora of Australia 49: 271-272 APC [secondary reference]

nomenclatural synonym: Tordylium nodosum L. legitimate nomenclatural synonym: Caucalis nodosa (L.) Scop. legitimate

• APC Dist.: SA (naturalised), Qld (naturalised), NSW (naturalised), LHI (naturalised), NI (naturalised), Vic (naturalised), Tas (naturalised)

Duretto, M.F. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Apiaceae. Flora of Victoria 4: 272, Fig. 52f [secondary reference]

nomenclatural synonym: Tordylium nodosum L. legitimate common name: Knotted Hedge-Parsley [n/a]

National Herbarium of New South Wales (2009), PlantNET Flora of New South Wales Online: - [secondary reference]

common name: Knotted Hedge-parsley [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: 8 [secondary reference]

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