- Pabón-Mora N, González F. 2015
- Nephopteris out of the clouds: Molecular evidence places the enigmatic N. maxonii (Pteridaceae) within the Jamesonia clade.
- Parris BS. 2013
- Archigrammitis, a new genus of grammitid fern (Polypodiaceae) from Malesia and Polynesia.
- Parris BS. 1997
- Themelium, a new genus of Grammitidaceae.
- Parris BS. 1998
- Chrysogrammitis, a new genus of Grammitidaceae (Filicales).
- Parris BS. 2004
- New combinations in Acrosorus, Lellingeria, Prosaptia and Themelium (Grammitidaceae: Filicales).
- Parris BS. 2007
- Five new genera and three new species of Grammitidaceae (Filicales) and the re-establishment of Oreogrammitis.
- Parris BS. 2010
- New combinations in Oreogrammitis, Prosaptia, Radiogrammitis, Themelium and Tomophyllum (Grammitidaceae: Polypodiopsida: Monilophyta) from Malesia and the Pacific Islands.
- Parris BS. 1990
- Grammitidaceae
- Perrie LR, Bayly MJ, Lehnebach CA, Brownsey PJ. 2007
- Molecular phylogenetic and molecular dating of the New Zealand Gleicheniaceae.
- Perrie LR, Brownsey PJ, Lovis JD. 2010
- Tmesipteris horomaka, a new octoploid species from Banks Peninsula.
- Perrie LR, Parris BS. 2012
- Chloroplast DNA sequences indicate the grammitid ferns (Polypodiaceae) in New Zealand belong to a single clade, Notogrammitis gen. nov.
- Perrie LR, Shepherd LD, Brownsey PJ. 2015
- An expanded phylogeny of the Dennstaedtiaceae ferns: Oenotrichia falls within a non-monophyletic Dennstaedtia, and Saccoloma is polyphyletic.
- Perrie LR, Wilson RK, Shepherd LD, Ohlsen DJ, Batty EL, Brownsey PJ, Bayly MJ . 2014
- Molecular phylogenetics and generic taxonomy of Blechnaceae ferns.
- Pichi Sermolli REG. 1977a.
- Fragmenta Pteridologiae - VI.
- Pichi Sermolli REG. 1977b.
- Tentamen pteridophytorum genera in taxanomicum ordinam redigendi.
- Pichi Sermolli REG. 1973
- Historical review of the higher classification of the Filicopsida
- Prado J, Del Nero R, Salatino A, Salatino ML. 2007
- Phylogenetic relationships among Pteridaceae, including Brazilian species, inferred from rbcL sequences.
- Prado J, Moran RC. 2008
- Revision of the neotropical species of Triplophyllum (Tectariaceae).
- Prado J, Moran RC. 2016
- Monograph of the West Indian fern genus Polystichopsis (Dryopteridaceae).
- Pryer KM, Huiet L, Li F-W, Rothfels CJ, Schuettpelz E. 2016
- Maidenhair ferns, Adiantum, are indeed monophyletic and sister to shoestring ferns, vittarioids (Pteridaceae).
- Pryer KM, Schneider H, Smith AR, Cranfill R, Wolf PG, Hunt JS. 2001
- Horsetails and ferns are a monophyletic group and the closest living relatives to seed plants.
- Pryer KM, Schuettpelz E, Wolf PG, Schneider H, Smith AR, Cranfill R. 2004
- Phylogeny and evolution of ferns (monilophytes) with a focus on the early leptosporangiate divergences.
- Pryer KM. 1999
- Phylogeny of marsileaceous ferns and relationships of the fossil Hydropteris pinnata reconsidered.