Perrie, L.R. & Parris, B.S. (2012), Chloroplast DNA sequences indicate the grammitid ferns (Polypodiaceae) in New Zealand belong to a single clade, Notogrammitis gen. nov. New Zealand Journal of Botany 50(4): 466-467 [comb. nov.]

basionym: Grammitis billardierei Willd. legitimate taxonomic synonym: Grammitis australis R.Br. legitimate taxonomic synonym: Grammitis meridionalis Parris legitimate

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

nomenclatural synonym: Grammitis billardierei Willd. legitimate nomenclatural synonym: Polypodium billardieri C.Chr. orth. var. nomenclatural synonym: Polypodium billardierei (Willd.) C.Chr. nom. illeg. taxonomic synonym: Polypodium scandens Labill. nom. illeg. taxonomic synonym: Grammitis australis R.Br. legitimate taxonomic synonym: Polypodium australe (R.Br.) Poir. legitimate taxonomic synonym: Polypodium australe (R.Br.) Mett. nom. illeg. taxonomic synonym: Grammitis meridionalis Parris legitimate

• APC Dist.: 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): 90 [secondary reference]

nomenclatural synonym: Grammitis billardierei Willd. legitimate

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