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Cystopteridaceae

{{Short description|Family of ferns}}

{{automatic taxobox

| image = Cystopteris tenuis-habitat.jpg

| taxon = Cystopteridaceae

| authority = (Payer) Shmakov

| synonyms = Cystopteridoideae Ching & Z.R.Wang

| synonyms_ref =

| subdivision_ranks = Genera

| subdivision_ref =

| subdivision =

}}

Cystopteridaceae is a family of ferns in the order Polypodiales. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family is placed in the suborder Aspleniineae of the order Polypodiales, and includes three genera. Alternatively, it may be treated as the subfamily Cystopteridoideae of a very broadly defined family Aspleniaceae.

Cystopteridaceae are small or medium-sized ferns in forests and crevices. They generally have thin laminae, and small, round, naked sori.

Genera

Three genera are accepted in the PPG I classification, and by the Checklist of Ferns and Lycophytes of the World {{As of|2022|August|lc=yes}}. One hybrid genus also exists:

Cystopteris chinensis has been placed in a separate genus, Cystoathyrium, but the genus is not accepted by recent sources.

Phylogenetic relationships

Gymnocarpium and Cystopteris have been found to be sister to the remaining Aspleniineae.

class="wikitable"
colspan=1 |External phylogeny

! colspan=1 |Internal phylogeny{{cite journal |last1=Nitta |first1=Joel H. |last2=Schuettpelz |first2=Eric |last3=Ramírez-Barahona |first3=Santiago |last4=Iwasaki |first4=Wataru |display-authors=et al. |year=2022 |title=An Open and Continuously Updated Fern Tree of Life |journal=Frontiers in Plant Science |volume=13 |issue= |page= 909768| doi=10.3389/fpls.2022.909768 |pmid= 36092417|pmc= 9449725|bibcode= |doi-access=free}}{{cite web|last1= |first1= |last2= |display-authors=et al. |year=2022 |title=Tree viewer: interactive visualization of FTOL |url=https://fernphy.github.io/viewer.html |version=FTOL v1.3.0 |access-date=12 December 2022}}

style="vertical-align:top|

{{eupolypods II cladogram}}

|

{{Clade | style=font-size:90%;line-height:80%

|1={{clade

|1=Gymnocarpium

|2={{clade

|1=Acystopteris

|2=Cystopteris

}}

}}

}}

References

{{Reflist|refs=

{{citation |last=Hassler |first=Michael |contribution=Cystopteridaceae |title=World Ferns. Synonymic Checklist and Distribution of Ferns and Lycophytes of the World |at=14.1 |url=https://www.worldplants.de/ferns/ |date=21 August 2022 |accessdate=2022-08-27}}

{{citation |last=Hassler |first=Michael |contribution=Cystopteris chinensis |title=World Ferns. Synonymic Checklist and Distribution of Ferns and Lycophytes of the World |at=14.1 |url=https://www.worldplants.de/ferns/ |date=21 August 2022 |accessdate=2022-08-27}}

{{Cite journal |last1=Christenhusz |first1=Maarten J.M. |last2=Chase |first2=Mark W. |date=2014 |title=Trends and concepts in fern classification |journal=Annals of Botany |volume=113 |issue=9 |pages=571–594 |doi=10.1093/aob/mct299 |pmid=24532607 |pmc=3936591 |name-list-style=amp }}

{{cite journal

|author1=Maarten J. M. Christenhusz |author2=Xian-Chun Zhang |author3=Harald Schneider |year=2011

|title=A linear sequence of extant families and genera of lycophytes and ferns

|journal=Phytotaxa |volume=19 |pages=7–54

|doi=10.11646/phytotaxa.19.1.2 |url=http://www.mapress.com/phytotaxa/content/2011/f/pt00019p054.pdf}}

{{cite journal

|author=Samuli Lehtonen

|year=2011

|title=Towards Resolving the Complete Fern Tree of Life

|journal=PLOS ONE

|volume=6

|issue=10

|pages=e24851

|doi=10.1371/journal.pone.0024851

|pmid=22022365

|pmc=3192703

|bibcode=2011PLoSO...624851L

|doi-access=free

}}

{{cite web |title=Cystopteris chinensis Ching |work=Plants of the World Online |publisher=Royal Botanic Gardens, Kew|url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:17434670-1 |accessdate=2019-11-27 }}

{{cite journal |author=PPG I |year=2016 |title=A community-derived classification for extant lycophytes and ferns |journal=Journal of Systematics and Evolution |volume=54 |issue=6 |pages=563–603 |doi=10.1111/jse.12229|s2cid=39980610 |doi-access=free }}

{{cite journal

|author1=Carl J. Rothfels |author2=Anders Larsson |author3=Li-Yaung Kuo |author4=Petra Korall |author5=Wen- Liang Chiou |author6=Kathleen M. Pryer |year=2012

|title=Overcoming Deep Roots, Fast Rates, and Short Internodes to Resolve the Ancient Rapid Radiation of Eupolypod II Ferns

|journal=Systematic Biology |volume=61 |issue=1 |pages=490–509

|doi=10.1093/sysbio/sys001 |pmid=22223449|doi-access=free }}

}}

{{Plant classification}}

{{Taxonbar|from=Q1915659}}

Category:Polypodiales

Category:Fern families

Category:Taxa named by Alexander Ivanovich Shmakov

{{Polypodiales-stub}}