Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 167 [tax. nov.]

• Type: "(J.D.) v.v."

Mueller, F.J.H. von (20 October 1853), First general report of the Government Botanist on the vegetation of the colony. Victoria - Parliamentary Papers- Votes and Proceedings of the Legislative Assembly: 22 [secondary reference]

Strasburger, E. (1873), Ueber Azolla: 78 [basionym]

basionym of: Azolla filiculoides var. rubra (R.Br.) Strasb. legitimate

Rodway, L. (1903), The Tasmanian Flora: 291 [taxonomic synonym]

taxonomic synonym of: Azolla filiculoides Lam. legitimate

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 635 [secondary reference]

Domin, K. (January 1915), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 20(85): 214 [secondary reference]

misapplication: Azolla filiculoides Lam. legitimate by Mueller, F.J.H. von (1866), Fragmenta Phytographiae Australiae 5(36): 140

Black, J.M. (1922), Cyatheaceae - Orchidaceae. Flora of South Australia 1: 43 [nomenclatural synonym]

nomenclatural synonym of: Azolla filiculoides var. rubra (R.Br.) Strasb. legitimate

Wakefield, N.A. (8 April 1942), Some fern and clubmoss notes. The Victorian Naturalist 58(12): 200 [secondary reference]

common name: Red Azolla [n/a]

Black, J.M. (1943), Flora of South Australia Edn. 2, 1: 42 [nomenclatural synonym]

nomenclatural synonym of: Azolla filiculoides var. rubra (R.Br.) Strasb. legitimate

Black, J.M. (January 1948), Casuarinaceae-Euphorbiaceae. Flora of South Australia Edn. 2, 2: 255 [secondary reference]

nomenclatural synonym: Azolla filiculoides var. rubra (R.Br.) Strasb. legitimate

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 32 [nomenclatural synonym]

nomenclatural synonym of: Azolla filiculoides var. rubra (R.Br.) Strasb. legitimate

Aston, H.I. (1973), Aquatic Plants of Australia: 32 [taxonomic synonym]

taxonomic synonym of: Azolla filiculoides Lam. legitimate

Chinnock, R.J. & Henshall, T.S. in Jessop, J.P. (ed.) (1981), Pteridophyta. Flora of Central Australia: 12 [taxonomic synonym]

taxonomic synonym of: Azolla filiculoides Lam. legitimate

Entwisle, T.J. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Ferns and Allied Plants. Flora of Victoria Edn. 1, 2: 110 [taxonomic synonym]

taxonomic synonym of: Azolla filiculoides Lam. legitimate

Chinnock, R.J. in McCarthy, P.M. (ed.) (1998), Azollaceae. Flora of Australia 48: 176 [taxonomic synonym]

taxonomic synonym of: Azolla filiculoides Lam. legitimate

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Azolla filiculoides Lam. legitimate

Brownsey, P.J. & Perrie, L.R. (2013), Azolla rubra revisited. New Zealand Botanical Society Newsletter 111: 6 [secondary reference]

Brownsey, P.J. & Perrie, L.R. (2014), Taxonomic notes on the New Zealand flora: lectotypes in Marsileaceae and Salviniaceae (water ferns). New Zealand Journal of Botany 52(2): 270-271 [secondary reference]

• Lectotype: "(chosen here). Budgery’s Bridge [Badgery’s Bridge, Nepean River, New South Wales], R. Brown, Apr. 1805, BM! (photo WELT E463/16)."

Parker, C.M. & Biggs, L.J. (1 May 2014), Updates to Western Australia's vascular plant census for 2013. Nuytsia 24: 46 [secondary reference]

Bostock, P.D. & Holland, A.E. (3 October 2014), Appendix A. Name and status changes 2013 census to 2014 census. Census of the Queensland Flora: 17 [secondary reference]

Council of Heads of Australasian Herbaria (2016), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Azolla filiculoides var. rubra (R.Br.) Strasb. legitimate misapplication: Azolla filiculoides Lam. legitimate by Willdenow, C.L. (January 1810), Species Plantarum Edn. 4, 5(1): 541 misapplication: Azolla filiculoides Lam. legitimate by Moore, T. (1860), Index Filicum 8 & 9: 189 misapplication: Azolla filiculoides Lam. legitimate by Mueller, F.J.H. von (1866), Fragmenta Phytographiae Australiae 5(36): 140 misapplication: Azolla filiculoides Lam. legitimate by Gardner, C.A. (1930), Part I. Pteridophyta-Proteaceae. Enumeratio Plantarum Australiae Occidentalis: 3 misapplication: Azolla filiculoides Lam. legitimate by Aston, H.I. (1973), Aquatic Plants of Australia: 32 misapplication: Azolla filiculoides Lam. legitimate by Bennett, E.M. in Marchant, N.G., Wheeler, J.R., Rye, B.L., Bennett, E.M., Lander, N.S. & Macfarlane, T.D. (1987), Azollaceae. Flora of the Perth Region 1: 56 misapplication: Azolla filiculoides Lam. legitimate by Entwisle, T.J. in Walsh, N.G. & Entwisle, T.J. (ed.) (1994), Ferns and Allied Plants. Flora of Victoria Edn. 1, 2: 110, Fig. 23a-b misapplication: Azolla filiculoides Lam. legitimate by Chinnock, R.J. in McCarthy, P.M. (ed.) (1998), Azollaceae. Flora of Australia 48: 176, Figs 23, 57, Map 147 misapplication: Azolla filiculoides Lam. legitimate by Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 23 misapplication: Azolla filiculoides Lam. legitimate by Harden, G.J. & Murray, L.J. in Harden, G.J. & Murray, L.J. (ed.) (2000), Flora of New South Wales Supplement 1: 11

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

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): 31 [secondary reference]

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