R.J. Chinnock (20 February 2020). "Isoetes australis". Flora of Australia. Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 28 June 2022.
Samuel Williams (1944). "I.—On Isoetes australis S. Williams, a New Species from Western Australia. Part I. General Morphology". Proceedings of the Royal Society of Edinburgh. Section B: Biology. 62 (01): 1–8. doi:10.1017/S0080455X00011747. ISSN0080-455X. WikidataQ54800938.
Samuel Williams (1944). "I.—On Isoetes australis S. Williams, a New Species from Western Australia. Part I. General Morphology". Proceedings of the Royal Society of Edinburgh. Section B: Biology. 62 (01): 1–8. doi:10.1017/S0080455X00011747. ISSN0080-455X. WikidataQ54800938.
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Samuel Williams (1944). "I.—On Isoetes australis S. Williams, a New Species from Western Australia. Part I. General Morphology". Proceedings of the Royal Society of Edinburgh. Section B: Biology. 62 (01): 1–8. doi:10.1017/S0080455X00011747. ISSN0080-455X. WikidataQ54800938.