Linnaeus, C. (1 May 1753), Species Plantarum 2: 805 [tax. nov.]

• Type: (not designated).

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

Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 678 [secondary reference]

taxonomic synonym: Youngia Cass. legitimate

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 85 [secondary reference]

taxonomic synonym: Youngia Cass. legitimate

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 276 [secondary reference]

common name: Hawk's-beard [n/a]

Britton, N.L. & Brown, A. (7 June 1913), An Illustrated Flora of the Northern United States, Canada and the British possessions Edn. 2, 3: 325 [secondary reference]

• Type: Crepis tectorum L.

Sulman, F. (1914), A Popular Guide to the Wild Flowers of New South Wales II: 67-68, 234 [secondary reference]

common name: Hawksbeard [n/a]

Black, J.M. (1929), Bignoniaceae - Compositae. Flora of South Australia 4: 662 [secondary reference]

• Etymology: "Latin name of some plant mentioned but not described by Pliny."

Babcock, E.B. (1947), The genus Crepis. University of California Publications in Botany 22: 199-1030 [secondary reference]

Black, J.M. & Robertson, E.L. (1957), Flora of South Australia Edn. 2, 4: 943 [secondary reference]

Curtis, W.M. (1963), Angiospermae: Lythraceae to Epacridaceae. The Student's Flora of Tasmania 2: 383-384 [secondary reference]

Burbidge, N.T. & Gray, M. (1970), Flora of the Australian Capital Territory: 398-400 [secondary reference]

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

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 76 [secondary reference]

Lander, N.S. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Asteraceae. Flora of the Perth Region 2: 676-677 [secondary reference]

Murray, L. in Harden, G.J. (ed.) (1992), Crepsis. Flora of New South Wales 3: 340 [secondary reference]

Walsh, N.G. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Crepis. Flora of Victoria 4: 685 [secondary reference]

Wheeler, J.R., Marchant, N.G. & Lewington, M. (2002), Dicotyledons. Flora of the South West 2: 504 [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: 184, Fig. 44 [secondary reference]

Thompson, I.R. (22 May 2007), A taxonomic treatment of tribe Lactuceae (Asteraceae) in Australia. Muelleria 25: 66 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 227 [secondary reference]

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

taxonomic synonym: Melitella Sommier legitimate

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

Thompson, I.R. in Wilson, A.J.G. (ed.) (2015), Crepis. Flora of Australia 37: 92 [secondary reference]

common name: Hawksbeards [n/a]

• Etymology: "from the Greek krepis (foundation or boot), originally used for the related Helminthotheca echioides and probably alluding to the tuberculate bases of the hairs."

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - APC [secondary reference]

taxonomic synonym: Barkhausia Moench legitimate taxonomic synonym: Melitella Sommier legitimate

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

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