Testo, W.L., Field, A.R., Sessa, E.B. & Sundue, M. (22 August 2019), Phylogenetic and morphological analyses support the resurrection of Dendroconche and the recognition of two new genera in Polypodiaceae subfamily Microsoroideae. Systematic Botany 44(4): 745 [comb. nov.]

basionym: Grammitis ampla F.Muell. ex Benth. legitimate nomenclatural synonym: Polypodium amplum (F.Muell. ex Benth.) Domin legitimate nomenclatural synonym: Colysis ampla (F.Muell. ex Benth.) Copel. legitimate nomenclatural synonym: Leptochilus amplus (F.Muell. ex Benth.) Noot. legitimate

Brown, G.K. & Bostock, P.D. (December 2019), Appendix A: New names and name and status changes 2018 to 2019. Introduction to the Census of the Queensland Flora 2019: 6 [secondary reference]

nomenclatural synonym: Colysis ampla (F.Muell. ex Benth.) Copel. 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): 86 [secondary reference]

nomenclatural synonym: Grammitis ampla F.Muell. ex Benth. legitimate nomenclatural synonym: Colysis ampla (F.Muell. ex Benth.) Copel. legitimate nomenclatural synonym: Leptochilus amplus (F.Muell. ex Benth.) Noot. legitimate

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

nomenclatural synonym: Grammitis ampla F.Muell. ex Benth. legitimate nomenclatural synonym: Polypodium ellipticum var. ampla Bonap. orth. var. nomenclatural synonym: Polypodium ellipticum var. amplum (F.Muell. ex Benth.) Bonap. legitimate nomenclatural synonym: Polypodium amplum (F.Muell. ex Benth.) Domin var. amplum legitimate nomenclatural synonym: Polypodium amplum (F.Muell. ex Benth.) Domin legitimate nomenclatural synonym: Colysis ampla (F.Muell. ex Benth.) Copel. legitimate nomenclatural synonym: Leptochilus amplus (F.Muell. ex Benth.) Noot. legitimate taxonomic synonym: Grammitis ampla F.Muell. nom. inval., nom. nud. taxonomic synonym: Polypodium amplum var. stenorhacheum Domin legitimate

• APC Dist.: Qld

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