- Zhang G, Ranker TA. 2013b
- Paragymnopteris
- Zhang G, Ranker TA. 2013a
- Parahemionitis
- Hörandl E, Stuessy TF. 2010
- Paraphyletic groups as natural units of biological classification.
- Sundue M, Testo W. 2016
- Parapolystichum novoguineense (comb. nov.; Dryopteridaceae) from New Guinea.
- Hovenkamp PH. 1997
- Paraselliguea, a new genus of Malesian Polypodiaceae.
- Grusz AL, Windham MD, Yatskievych G, Huiet L, Gastony GJ, Pryer KM. 2014
- Patterns of diversification in the xeric-adapted fern genus Myriopteris (Pteridaceae).
- Cantino PD, de Queiroz K. 2000
- PhyloCode: a phylogenetic code of biological nomenclature
- Wolf PG. 1995
- Phylogenetic analyses of rbcL and nuclear ribosomal RNA gene sequences in Dennstaedtiaceae.
- Christenhusz MJM, Jones M, Lehtonen S. 2013
- Phylogenetic placement of the enigmatic fern genus Dracoglossum.
- Liu H-M, Zhang X-C, Wang M-P, Shang H, Zhou S-L, Yan Y-H, Wei X-P, Xu W-B, Schneider H. 2016
- Phylogenetic placement of the enigmatic fern genus Trichoneuron informs on the infra-familial relationship of Dryopteridaceae.
- Li C, Lu S, Sun X, Yang Q. 2011
- Phylogenetic positions of the enigmatic asiatic fern genera Diplaziopsis and Rhachidosorus from analyses of four plastid genes.
- Prado J, Del Nero R, Salatino A, Salatino ML. 2007
- Phylogenetic relationships among Pteridaceae, including Brazilian species, inferred from rbcL sequences.
- Des Marais DL, Smith AR, Britton DM, Pryer KM. 2003
- Phylogenetic relationships and evolution of extant horsetails, Equisetum, based on chloroplast DNA sequence data (rbcL and trnL?F).
- Reid JD, Plunkett GM, Peters GA. 2006
- Phylogenetic relationships in the heterosporous fern genus Azolla (Azollaceae) based on DNA sequence data from three noncoding regions.
- Schneider H, Kreier HP, Hovenkamp P, Janssen T. 2008
- Phylogenetic relationships of the fern genus Christiopteris shed new light onto the classification and biogeography of drynarioid ferns.
- Hauk WD, Parks CR, Chase MW. 2003
- Phylogenetic studies of Ophioglossaceae: evidence from rbcL and trnL-F plastid DNA sequences and morphology.
- Hennequin S, Hovenkamp P, Christenhusz, MJM, Schneider H. 2010
- Phylogenetics and biogeography of Nephrolepis – a tale of old settlers and young tramps.
- Lehtonen S, Tuomisto H, Rouhan G, Christenhusz MJM. 2010
- Phylogenetics and classification of the pantropical fern family Lindsaeaceae.
- Hoot SB, Taylor WC, Napier NS. 2006
- Phylogeny and biogeography of Isoëtes (Isoëtaceae) based on nuclear and chloroplast DNA sequence data.
- Noben S, Kessler M, Quandt D, Krug M, Weigand A, Lehnert M. 2017
- Phylogeny and biogeography of the Gondwanan tree fern genus Dicksonia (Dicksoniaceae).
- Kreier HP, Schneider H. 2006b.
- Phylogeny and biogeography of the staghorn fern genus Platycerium (Polypodiaceae, Polypodiidae).
- Moran RC, Labiak PH, Sundue M. 2010a.
- Phylogeny and character evolution of the bolbitidoid ferns (Dryopteridaceae).
- Moran RC, Labiak PH. 2016
- Phylogeny and character evolution of the Neotropical fern genus Stigmatopteris (Dryopteridaceae).
- Tsutsumi C, Chen C-W, Larsson A, Hirayama Y, Kato M. 2016
- Phylogeny and classification of Davalliaceae based on chloroplast and nuclear markers.
- Li C-X, Lu S-G, Ma J-Y, Yang Q. 2010
- Phylogeny and divergence of Gleicheniaceae inferred from three plastid genes.
- Metzgar JS, Schneider H, Pryer KM . 2007
- Phylogeny and divergence time estimates for the fern genus Azolla (Salviniaceae).
- 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.
- Labiak PH, Sundue M, Rouhan G, Hanks JG, Mickel JT, Moran RC. 2014
- Phylogeny and historical biogeography of the lastreopsid ferns (Dryopteridaceae).
- Labiak PH, Rouhan G, Sundue M. 2010
- Phylogeny and taxonomy of Leucotrichum (Polypodiaceae): A new genus of grammitid ferns from the Neotropics.
- Wei R, Zhang X-C, Qi X-P. 2010
- Phylogeny of Diplaziopsis and Homalosorus based on two chloroplast DNA sequences: rbcL and rps4+rps4-trnS IGS.
- Rydin C, Wikström N. 2002
- Phylogeny of Isoëtes (Lycopsida): resolving basal relationships using rbcL sequences.
- Wikström N, Kenrick P. 1997
- Phylogeny of Lycopodiaceae (Lycopsida) and the relationships of Phylloglossum drummondii Kunze based on rbcL sequences.
- Pryer KM. 1999
- Phylogeny of marsileaceous ferns and relationships of the fossil Hydropteris pinnata reconsidered.
- Yatabe Y, Nishida H, Murakami N. 1999
- Phylogeny of Osmundaceae inferred from rbcL nucleotide sequences and comparison to the fossil evidences.
- Korall P, Kenrick P, Therrien JP. 1999
- Phylogeny of Selaginellaceae: evaluation of generic/subgeneric relationships based on rbcL gene sequences.
- Sun B-Y, Baek TG, Kim Y-D, Kim CS. 2009
- Phylogeny of the family Ophioglossaceae with special emphasis on genus Mankyua.
- Moran RC, Labiak PH. 2015
- Phylogeny of the polybotryoid fern clade (Dryopteridaceae).
- Sigel, EM, Windham MD, Haufler CH, Pryer KM. 2014
- Phylogeny, divergence time estimates, and phylogeography of the diploid species of the Polypodium vulgare complex (Polypodiaceae).
- Sessa EB, Zimmer EA, Givnish TJ. 2012
- Phylogeny, divergence times, and historical biogeography of New World Dryopteris (Dryopteridaceae).
- Wickett NJ, Mirarab S, Nguyen N, Warnow T, Carpenter E, Matasci N, Ayyampalayam S, Barker MS, Burleigh JG, Gitzendanner MA, Ruhfel BR. 2014
- Phylotranscriptomic analysis of the origin and early diversification of land plants.
- Kramer KU. 1990p
- Plagiogyriaceae
- Stuessy TF. 2009
- Plant Taxonomy: The Systematic Evaluation of Comparative Data
- Smith, AR, Tejero-Diez D. 2014
- Pleopeltis (Polypodiaceae), a redefinition of the genus and nomenclatural novelties.
- Brownsey PJ. 1983
- Polyploidy and aneuploidy in Hypolepis and the evolution of the Dennstaedtiales.
- Wagner Jr WH, Wagner FS. 1980
- Polyploidy in pteridophytes
- Hennipman E, Veldhoen P, Kramer KU, Price MG. 1990
- Polypodiaceae
- Rouhan G, Hanks JG, McClelland D, Moran RC. 2007
- Preliminary phylogenetic analysis of the fern genus Lomariopsis (Lomariopsidaceae).
- Greuter W, Troia A. 2014
- Proposal to conserve the name Palhinhaea against Lepidotis.
- Kramer KU. 1990a
- Psilotaceae
- Tryon RM, Tryon AF, Kramer KU. 1990
- Pteridaceae
- Christenhusz MJM. 2012
- Pteridaceae. In: Greuter W, von Raab-Straube E eds. Euro+Med Notulae, 6.
- Kramer KU, Green PS (eds.) 1990
- Pteridophytes and Gymnosperms
- Christensen C, Ching RC. 1934
- Pteridrys, a new fern genus from tropical Asia.