Nesom, G.L. (1994), Taxonomic dispersal of Australian Erigeron. Phytologia 76(2): 144, fig. 1 [tax. nov.]

• Type: Iotasperma australiensis Nesom

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: 314 [secondary reference]

Mabberley, D.J. (1 May 2008), Mabberley's Plant-Book Edn. 3: 432 APC [secondary reference]

• APC Dist.: WA, NT, SA, Qld, NSW

Bean, A.R. (2 October 2018), A review of Iotasperma (Asteraceae: Astereae). Muelleria 37: 34 [secondary reference]

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