Mueller, F.J.H. von (1859), Some hitherto unknown Australian plants. Transactions of the Philosophical Institute of Victoria 3: 58-59 [tax. nov.]

• Type: "On the Gilbert River."

• Comment: nom. illeg., non Nutt. (1818), nec Sch.-Bip. (1844).

Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 494-495 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 79 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 262 [secondary reference]

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 264 [secondary reference]

Jessop, J.P. in Jessop, J.P. (ed.) (1981), Compositae (Asteraceae) - most genera. Flora of Central Australia: 376 [secondary reference]

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 10 [secondary reference]

Lawrence, M.E. in Wheeler, J.R. (ed.) (1992), Acanthospermum - Gnaphalium. Flora of the Kimberley Region: 945, Fig. 286Q, 288C [secondary reference]

Nesom, G.L. (1994), Taxonomic dispersal of Australian Erigeron. Phytologia 76(2): 146 [secondary reference]

• Type: "AUSTRALIA. Queensland: on the Gilbert River, F. Mueller s.n. (MEL?)."

Nesom, G.L. (1994), Taxonomic dispersal of Australian Erigeron. Phytologia 76(2): 146 [replaced synonym]

replaced synonym of: Iotasperma australiense G.L.Nesom legitimate

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

orthographic variant: Erigeron ambiguum F.Muell. orth. var.

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

nomenclatural synonym of: Iotasperma australiense G.L.Nesom legitimate

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

misapplied to: Iotasperma sessilifolium (F.Muell.) G.L.Nesom legitimate by Jessop, J.P. in Jessop, J.P. (ed.) (1981), Compositae (Asteraceae) - most genera. Flora of Central Australia: 376

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

• Lectotype: "NORTHERN TERRITORY. Depot Pool [SW of Mataranka], 1879, A. Forrest s.n. (lecto, here chosen: MEL1553028; isolecto: MEL1553026, NSW569017)."

Bean, A.R. (2 October 2018), A review of Iotasperma (Asteraceae: Astereae). Muelleria 37: 36 [misapplied]

misapplied to: Iotasperma sessilifolium (F.Muell.) G.L.Nesom legitimate by Lawrence, M.E. in Wheeler, J.R. (ed.) (1992), Acanthospermum - Gnaphalium. Flora of the Kimberley Region: 945, Fig. 286Q, 288C

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

nomenclatural synonym of: Iotasperma australiense G.L.Nesom legitimate

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

misapplied to: Iotasperma sessilifolium (F.Muell.) G.L.Nesom legitimate by Jessop, J.P. in Jessop, J.P. (ed.) (1981), Compositae (Asteraceae) - most genera. Flora of Central Australia: 376

[misapplied]

misapplied to: Iotasperma sessilifolium (F.Muell.) G.L.Nesom legitimate by Lawrence, M.E. in Wheeler, J.R. (ed.) (1992), Acanthospermum - Gnaphalium. Flora of the Kimberley Region: 945, Fig. 286Q, 288C

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