Linnaeus, C. (1 May 1753), Species Plantarum 2: 799 [tax. nov.]

• Type: (not designated).

Linnaeus, C. (1754), Genera Plantarum Edn. 5: 350 [secondary reference]

Britton, N.L. & Brown, A. (7 June 1913), An Illustrated Flora of the Northern United States, Canada and the British possessions Edn. 2, 3: 328 [secondary reference]

• Type: Hieracium murorum L.

Curtis, W.M. (1963), Angiospermae: Lythraceae to Epacridaceae. The Student's Flora of Tasmania 2: 385 [secondary reference]

common name: Hawkweed [n/a]

Farr, E.R., Leussink, J.A. & Stafleu, F.A. in Farr, E.R., Leussink, J.A. & Stafleu, F.A. (ed.) (1979), Index Nominum Genericorum 1: 107 [secondary reference]

taxonomic synonym: Apargia Scop. legitimate

Cronquist, A.J. (1981), An Integrated System of Classification of Flowering Plants: 1025 [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: 194, Fig. 47 [secondary reference]

Thompson, I.R. (22 May 2007), A taxonomic treatment of tribe Lactuceae (Asteraceae) in Australia. Muelleria 25: 81-82 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 406 [secondary reference]

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

taxonomic synonym: Apargia Scop. legitimate

• APC Dist.: NSW (naturalised), Vic (naturalised), ACT (naturalised), Tas (naturalised)

Council of Heads of Australasian Herbaria (2014), Australian Plant Census: - APC [secondary reference]

taxonomic synonym: Apargia Scop. legitimate

• APC Dist.: NSW (naturalised)

Thompson, I.R. in Wilson, A.J.G. (ed.) (2015), Hieracium. Flora of Australia 37: 128 [secondary reference]

• Etymology: "from the classical Greek name for plants of this genus and similar plants."

---