Candolle, A.P. de in Candolle, A.P. de (ed.) (1836), Compositae. Prodromus Systematis Naturalis Regni Vegetabilis 5: 692 [primary reference]

• Type: (not designated).

Hamilton, A.A. (1918), Agricultural Gazette of New South Wales 29: 433 [secondary reference]

Babcock, E.B. & Hall, H.M. (1924), Hemizonia congeata, a genetic, ecologic, and taxonomic study of the hay-field tarweeds. University of California Publications in Botany 13: 18 [secondary reference]

• Type: Hemizonia congesta DC.

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 80 [secondary reference]

Murray, L. in Harden, G.J. (ed.) (1992), Hemizonia. Flora of New South Wales 3: 282 [secondary reference]

Anderberg, A.A., Baldwin, B.G., Bayer, R.G., Breitwieser, I., Jeffrey, C., Dillon, M.O., Eldenäs, P., Funk, V., Garcia-Jacas, N., Hind, D.J.N., Karis, P.O., Lack, H.W., Nesom, G., Nordenstam, B., Oberprieler, C., Panero, J.J., Puttock, C., Robinson, H., Stuessy, T.F., Susanna, A., Urtubey, E., Vogt, R., Ward, J. & Watson, L.E. in Kubitzki, K. (ed.) (2007), Compositae. The Families and Genera of Vascular Plants 8: 503 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 400 [secondary reference]

---