Braun, A.K.H. (1868), Über die australischen Arten der Gattung Isoetes. Monatsberichte der Koniglich Preussischen Akademie der Wissenschaften zu Berlin 1868: 541 [tax. nov.]

• Type: "Locis humidis ad Rockhampton Australiae orientalis tropicae legit P. O'Shanesy 1867, comm. Ferd. Müller."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 136 [secondary reference]

Kuntze, C.E.O. (5 November 1891), Revisio Generum Plantarum 2: 828 [basionym]

basionym of: Calamaria muelleri (A.Braun) Kuntze legitimate

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 634 [secondary reference]

Domin, K. (January 1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 238 [secondary reference]

Aston, H.I. (1973), Aquatic Plants of Australia: 34 [secondary reference]

Marsden, C.R. (15 October 1976), Morphological variation and taxonomy of Isoetes muelleri A.Br. Journal of the Adelaide Botanic Gardens 1(1): 50 [secondary reference]

• Lectotype: "Queensland, wet places near Rockhampton, P. O'Shanesy, 1867 (B!), (Syntype in K!)"

nomenclatural synonym: Isoetes stuartii A.Braun legitimate

Chinnock, R.J. & Henshall, T.S. in Jessop, J.P. (ed.) (1981), Pteridophyta. Flora of Central Australia: 6, Fig. 10 [secondary reference]

misapplication: Isoetes humilior F.Muell. ex A.Braun legitimate by Jones, D.L. & Clemesha, S.C. (1981), Australian ferns and fern allies Edn. 2: 19-20

Cunningham, G.M., Mulham, W.E., Milthorpe, P.L. & Leigh, J.H. (1981), Plants of Western New South Wales: 27 [secondary reference]

common name: Quillwort [n/a]

Green, J.W. (1981), Census of the Vascular Plants of Western Australia: 3 [secondary reference]

Johnson, E.R.L. (1984), Taxonomic Revision of Isoetes L. in Western Australia. Journal of the Royal Society of Western Australia 67(1): 39 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 25 [secondary reference]

Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 1 [secondary reference]

Wilson, Peter G. in Harden, G.J. (ed.) (1990), Isoetaceae. Flora of New South Wales 1: 10 [secondary reference]

Entwisle, T.J. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Ferns and Allied Plants. Flora of Victoria Edn. 1, 2: 26, Fig. 4g-h [secondary reference]

misapplication: Isoetes humilior F.Muell. ex A.Braun legitimate by Willis, J.H. (1962), A Handbook to Plants in Victoria 1: 53

Chinnock, R.J. in McCarthy, P.M. (ed.) (1998), Isoetaceae. Flora of Australia 48: 61-62, Figs 40J-L, Map 15 [secondary reference]

nomenclatural synonym: Isoetes stuartii A.Braun legitimate

Harden, G.J. & Murray, L.J. in Harden, G.J. & Murray, L.J. (ed.) (2000), Flora of New South Wales Supplement 1: 4 [secondary reference]

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 20 [secondary reference]

Short, P.S. in Cowie, I.D., Short, P.S. & Osterkamp Madsen, M. (2000), Algae:Fern Allies. Floodplain Flora. A flora of the coastal floodplains of the Northern Territory, Australia: 44 [secondary reference]

Wilson, Peter G. in Harden, G.J. (ed.) (2000), Isoetaceae. Flora of New South Wales Revised Edition 1: 10 [secondary reference]

Tindale, M.D. & Roy, S.K. (23 December 2002), A cytotaxonomic survey of the Pteridophyta of Australia. Australian Systematic Botany 15(6): 844 [secondary reference]

Short, P., Dixon, D. & Osterkamp Madsen, M. (2003), A review of the ferns and fern allies of the Northern Territory. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 19(3): 13, Fig. 1H, map [secondary reference]

misapplication: Isoetes humilior F.Muell. ex A.Braun legitimate by Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 216

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Isoetes stuartii A.Braun legitimate nomenclatural synonym: Isoetes stuarti A.Braun orth. var. nomenclatural synonym: Calamaria muelleri (A.Braun) Kuntze legitimate pro parte misapplication: Isoetes lacustris L. legitimate by Rodway, L. (1903), The Tasmanian Flora: 279 misapplication: Isoetes humilior F.Muell. ex A.Braun legitimate by Willis, J.H. (1962), A Handbook to Plants in Victoria 1: 53 misapplication: Isoetes humilior F.Muell. ex A.Braun legitimate by Sim, T.R. (1976), Australian ferns and fern allies with notes on their cultivation Edn. 1: 33

• APC Dist.: WA, NT, SA, Qld, NSW, ACT, Vic, Tas

Troia, A., Pereira, J.B., Kim, C. & Taylor, W.C. (2016), The genus Isoetes (Isoetaceae): a provisional checklist of the accepted and unresolved taxa. Phytotaxa 277(2): 123, 133 [secondary reference]

taxonomic synonym: Isoetes stuartii A.Braun legitimate

Field, A.R. (2 January 2020), Classification and typification of Australian lycophytes and ferns based on Pteridophyte Phylogeny Group classification PPG I. Australian Systematic Botany 33(1): 11 [secondary reference]

• Type: "Rockhampton, Queensland, 1867, P.O’Shanesy s.n. (lecto: B 200108195c!"

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