Link to NCBI Front Page Taxonomy Logo
Entrez PubMed Nucleotide Protein Genome Structure PMC Taxonomy BioCollections
Taxonomy browser (Polypodiopsida)


Taxonomy ID: 241806 (for references in articles please use NCBI:txid241806)
current name
Polypodiopsida Cronquist, Takht. & W.Zimm., 1966
NCBI BLAST name: ferns
Rank: class
Genetic code: Translation table 1 (Standard)
Mitochondrial genetic code: Translation table 1 (Standard)
Plastid genetic code: Translation table 11 (Bacterial, Archaeal and Plant Plastid)
Other names:
heterotypic synonym
heterotypic synonym
blast name
Lineage( full )
cellular organisms; Eukaryota; Viridiplantae; Streptophyta; Streptophytina; Embryophyta; Tracheophyta; Euphyllophyta
   Entrez records   
Database name Subtree links Direct links
Nucleotide 236,752 -
Protein 208,561 1
Structure 34 1
Genome 17 -
Popset 2,021 255
GEO Datasets 145 -
PubMed Central 10,323 177
Gene 29,112 -
SRA Experiments 4,327 -
Protein Clusters 102 -
Identical Protein Groups 201,776 1
BioProject 471 -
BioSample 4,461 -
Assembly 19 -
Taxonomy 9,122 1

Comments and References:

PPG I (2016), doi:10.1111/jse.12229
The Pteridophyte Phylogeny Group. Schuettpelz E et al. A community-derived classification for extant lycophytes and ferns. Journal of Systematics and Evolution 54(6): 563-603.
Rothfels CJ et al. 2015, doi:10.3732/ajb.1500089
Rothfels CJ et al. 2015. The evolutionary history of ferns inferred from 25 low-copy nuclear genes. American Journal of Botany 102(7): 1089-1107.
Christenhusz MJM et al. 2011b, doi:10.11646/phytotaxa.19.1.2
Christenhusz MJM, Zhang X-C and Schneider H. 2011. A linear sequence of extant families and genera of lycophytes and ferns. Phytotaxa 19: 7-54.
Smith AR et al. 2006a, doi:10.2307/25065646
Smith AR, Pryer KM, Schuettpelz E, Korall P, Schneider H and Wolf PG. 2006. A classification for extant ferns. Taxon 55(3): 705-731.
Pryer KM et al. 2004, doi:10.3732/ajb.91.10.1582
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. American Journal of Botany 91: 1582-1598.
Pryer KM et al. 2001, doi:10.1038/35054555
Pryer KM, Schneider H, Smith AR, Cranfill R, Wolf PG, Hunt JS, Sipes SD. 2001. Horsetails and ferns are a monophyletic group and the closest living relatives to seed plants. Nature 409: 618-621.
Kenrick P & Crane PR 1997
Kenrick P and Crane PR. 1997. The Origin and Early Evolution of Land Plants. Smithsonian Institution Press.
Beck CB & Stein WE 1993
Beck CB and Stein, WE. 1993. Crossia virginiana gen. et sp. nov., a new member of the Stenokoleales from the Middle Devonian of southwestern Virginia. Palaeontographica B229: 115-134.
Stein WE 1993, doi:10.1086/297106
Stein WE. 1993. Modeling the evolution of stelar architecture in vascular plants. International Journal of Plant Sciences 154: 229-263.
Kubitzki K 1990
Kubitzki, K. (ed.) 1990. The Families and Genera of Vascular Plants. Volume I: Kramer, K. U. and Green, P. S. (eds.) Pteridophytes and Gymnosperms. Springer, Berlin. Kindly revised by Alan R. Smith, Herbarium, University of California at Berkeley (August 1995).

External Information Resources (NCBI LinkOut)

LinkOut Subject LinkOut Provider
Polypodiopsida taxonomy taxonomy/phylogenetic Arctos Specimen Database
Show Biotic Interactions taxonomy/phylogenetic Global Biotic Interactions
Polypodiopsida taxonomy/phylogenetic Lifemap
Filicopsida images MorphBank
Polypodiopsida taxonomy/phylogenetic Ocean Biogeographic Information System
Polypodiopsida taxonomy/phylogenetic World Register of Marine Species
Groups interested in participating in the LinkOut program should visit the LinkOut home page.
A list of our current non-bibliographic LinkOut providers can be found here.

Disclaimer: The NCBI taxonomy database is not an authoritative source for nomenclature or classification - please consult the relevant scientific literature for the most reliable information.

Reference: How to cite this resource - Schoch CL, et al. NCBI Taxonomy: a comprehensive update on curation, resources and tools. Database (Oxford). 2020: baaa062. PubMed: 32761142 PMC: PMC7408187.

Comments and questions to

[Help] [Search] [NLM NIH] [Disclaimer]