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{"title"=>"Towards resolving the complete fern tree of life", "type"=>"journal", "authors"=>[{"first_name"=>"Samuli", "last_name"=>"Lehtonen", "scopus_author_id"=>"13407707600"}], "year"=>2011, "source"=>"PLoS ONE", "identifiers"=>{"pui"=>"362772441", "sgr"=>"80054726331", "issn"=>"19326203", "pmid"=>"22022365", "scopus"=>"2-s2.0-80054726331", "doi"=>"10.1371/journal.pone.0024851", "isbn"=>"1932-6203 (Electronic)\\r1932-6203 (Linking)"}, "id"=>"603ad257-d66a-3754-8e0e-07739652515d", "abstract"=>"In the past two decades, molecular systematic studies have revolutionized our understanding of the evolutionary history of ferns. The availability of large molecular data sets together with efficient computer algorithms, now enables us to reconstruct evolutionary histories with previously unseen completeness. Here, the most comprehensive fern phylogeny to date, representing over one-fifth of the extant global fern diversity, is inferred based on four plastid genes. Parsimony and maximum-likelihood analyses provided a mostly congruent results and in general supported the prevailing view on the higher-level fern systematics. At a deep phylogenetic level, the position of horsetails depended on the optimality criteria chosen, with horsetails positioned as the sister group either of Marattiopsida-Polypodiopsida clade or of the Polypodiopsida. The analyses demonstrate the power of using a 'supermatrix' approach to resolve large-scale phylogenies and reveal questionable taxonomies. These results provide a valuable background for future research on fern systematics, ecology, biogeography and other evolutionary studies.", "link"=>"http://www.mendeley.com/research/towards-resolving-complete-fern-tree-life", "reader_count"=>116, "reader_count_by_academic_status"=>{"Unspecified"=>5, "Professor > Associate Professor"=>11, "Researcher"=>22, "Student > Doctoral Student"=>6, "Student > Ph. D. Student"=>31, "Student > Postgraduate"=>5, "Student > Master"=>10, "Other"=>2, "Student > Bachelor"=>10, "Lecturer"=>4, "Professor"=>10}, "reader_count_by_user_role"=>{"Unspecified"=>5, "Professor > Associate Professor"=>11, "Researcher"=>22, "Student > Doctoral Student"=>6, "Student > Ph. D. Student"=>31, "Student > Postgraduate"=>5, "Student > Master"=>10, "Other"=>2, "Student > Bachelor"=>10, "Lecturer"=>4, "Professor"=>10}, "reader_count_by_subject_area"=>{"Unspecified"=>9, "Environmental Science"=>6, "Biochemistry, Genetics and Molecular Biology"=>4, "Agricultural and Biological Sciences"=>93, "Physics and Astronomy"=>1, "Chemistry"=>1, "Earth and Planetary Sciences"=>2}, "reader_count_by_subdiscipline"=>{"Chemistry"=>{"Chemistry"=>1}, "Physics and Astronomy"=>{"Physics and Astronomy"=>1}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>2}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>93}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>4}, "Unspecified"=>{"Unspecified"=>9}, "Environmental Science"=>{"Environmental Science"=>6}}, "reader_count_by_country"=>{"New Zealand"=>1, "United States"=>3, "Philippines"=>1, "China"=>2, "Brazil"=>3, "United Kingdom"=>1, "France"=>2, "Chile"=>2, "Germany"=>2, "India"=>1, "Spain"=>1, "Indonesia"=>1}, "group_count"=>2}

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• http://doi.org/10.1111/jse.12184
• http://doi.org/10.1111/jse.12222
• http://doi.org/10.1002/ajb2.1152
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Wikipedia | Further Information

• {"title"=>"Eupolypods I", "url"=>"http://en.wikipedia.org/wiki/Eupolypods_I", "timestamp"=>"2018-05-16T09:39:45Z"}
• {"title"=>"Dipteridaceae", "url"=>"http://en.wikipedia.org/wiki/Dipteridaceae", "timestamp"=>"2018-11-27T20:55:26Z"}
• {"title"=>"Eupolypods II", "url"=>"http://en.wikipedia.org/wiki/Eupolypods_II", "timestamp"=>"2018-03-22T06:38:12Z"}
• {"title"=>"Woodsiaceae", "url"=>"http://en.wikipedia.org/wiki/Woodsiaceae", "timestamp"=>"2018-11-27T20:55:31Z"}
• {"title"=>"Athyrioideae", "url"=>"http://en.wikipedia.org/wiki/Athyrioideae", "timestamp"=>"2018-11-27T20:55:24Z"}
• {"title"=>"Diplaziopsidaceae", "url"=>"http://en.wikipedia.org/wiki/Diplaziopsidaceae", "timestamp"=>"2019-02-11T10:42:47Z"}
• {"title"=>"Cystopteridaceae", "url"=>"http://en.wikipedia.org/wiki/Cystopteridaceae", "timestamp"=>"2018-11-27T20:55:25Z"}
• {"title"=>"Rhachidosorus", "url"=>"http://en.wikipedia.org/wiki/Rhachidosorus", "timestamp"=>"2018-10-12T14:57:43Z"}
• {"title"=>"Matoniaceae", "url"=>"http://en.wikipedia.org/wiki/Matoniaceae", "timestamp"=>"2018-11-27T20:55:28Z"}
• {"title"=>"Psilotopsida", "url"=>"http://en.wikipedia.org/wiki/Psilotopsida", "timestamp"=>"2018-11-27T20:57:57Z"}
• {"title"=>"Saccolomataceae", "url"=>"http://en.wikipedia.org/wiki/Saccolomataceae", "timestamp"=>"2019-02-15T08:51:56Z"}
• {"title"=>"Blechnoideae", "url"=>"http://en.wikipedia.org/wiki/Blechnoideae", "timestamp"=>"2018-11-27T20:55:25Z"}
• {"title"=>"Thelypteridaceae", "url"=>"http://en.wikipedia.org/wiki/Thelypteridaceae", "timestamp"=>"2018-11-27T20:55:31Z"}
• {"title"=>"Lindsaeineae", "url"=>"http://en.wikipedia.org/wiki/Lindsaeineae", "timestamp"=>"2019-02-14T09:55:49Z"}
• {"title"=>"Eusporangiate fern", "url"=>"http://en.wikipedia.org/wiki/Eusporangiate_fern", "timestamp"=>"2018-11-27T20:57:57Z"}
• {"title"=>"Hemidictyum", "url"=>"http://en.wikipedia.org/wiki/Hemidictyum", "timestamp"=>"2018-11-27T20:47:38Z"}
• {"title"=>"Aspleniaceae", "url"=>"http://en.wikipedia.org/wiki/Aspleniaceae", "timestamp"=>"2019-02-20T16:27:35Z"}
• {"title"=>"Osmunda", "url"=>"http://en.wikipedia.org/wiki/Osmunda", "timestamp"=>"2019-02-07T09:12:07Z"}
• {"title"=>"Onocleaceae", "url"=>"http://en.wikipedia.org/wiki/Onocleaceae", "timestamp"=>"2018-11-27T20:55:29Z"}
• {"title"=>"Polypodiales", "url"=>"http://en.wikipedia.org/wiki/Polypodiales", "timestamp"=>"2019-03-03T22:18:08Z"}
• {"title"=>"Leptosporangiate fern", "url"=>"http://en.wikipedia.org/wiki/Leptosporangiate_fern", "timestamp"=>"2019-02-14T04:42:36Z"}
• {"title"=>"Cyatheales", "url"=>"http://en.wikipedia.org/wiki/Cyatheales", "timestamp"=>"2018-12-21T14:40:07Z"}
• {"title"=>"Pteridaceae", "url"=>"http://en.wikipedia.org/wiki/Pteridaceae", "timestamp"=>"2019-02-09T00:56:02Z"}
• {"title"=>"Osmundaceae", "url"=>"http://en.wikipedia.org/wiki/Osmundaceae", "timestamp"=>"2019-02-19T03:55:01Z"}
• {"title"=>"Diplaziopsidaceae", "url"=>"http://nl.wikipedia.org/wiki/Diplaziopsidaceae", "timestamp"=>"2015-03-19T03:24:32Z"}
• {"title"=>"Woodsiaceae", "url"=>"http://nl.wikipedia.org/wiki/Woodsiaceae", "timestamp"=>"2018-09-20T20:38:07Z"}
• {"title"=>"Hemidictyaceae", "url"=>"http://nl.wikipedia.org/wiki/Hemidictyaceae", "timestamp"=>"2016-03-25T19:15:04Z"}
• {"title"=>"Polypodiales", "url"=>"http://nl.wikipedia.org/wiki/Polypodiales", "timestamp"=>"2013-04-02T17:04:54Z"}
• {"title"=>"Hymenocystis", "url"=>"http://nl.wikipedia.org/wiki/Hymenocystis", "timestamp"=>"2018-09-27T07:37:21Z"}
• {"title"=>"Wijfjesvarenfamilie", "url"=>"http://nl.wikipedia.org/wiki/Wijfjesvarenfamilie", "timestamp"=>"2017-09-19T01:54:28Z"}
• {"title"=>"Cystopteridaceae", "url"=>"http://nl.wikipedia.org/wiki/Cystopteridaceae", "timestamp"=>"2016-11-05T16:43:39Z"}
• {"title"=>"Monilophyta", "url"=>"http://nl.wikipedia.org/wiki/Monilophyta", "timestamp"=>"2017-01-23T22:28:22Z"}
• {"title"=>"Diplazium", "url"=>"http://nl.wikipedia.org/wiki/Diplazium", "timestamp"=>"2018-10-12T03:16:42Z"}
• {"title"=>"Polypodiopsida", "url"=>"http://nl.wikipedia.org/wiki/Polypodiopsida", "timestamp"=>"2018-02-25T20:48:38Z"}
• {"title"=>"Filicopsida", "url"=>"http://fr.wikipedia.org/wiki/Filicopsida", "timestamp"=>"2018-06-24T23:17:10Z"}
• {"title"=>"Eupolypodiales II", "url"=>"http://es.wikipedia.org/wiki/Eupolypodiales_II", "timestamp"=>"2018-05-18T14:33:01Z"}
• {"title"=>"Sistema de clasificación de helechos eupolipoides II de Rothfels et al. 2012", "url"=>"http://es.wikipedia.org/wiki/Sistema_de_clasificación_de_helechos_eupolipoides_II_de_Rothfels_et_al._2012", "timestamp"=>"2018-05-18T14:37:55Z"}
• {"title"=>"Paprotnicowate", "url"=>"http://pl.wikipedia.org/wiki/Paprotnicowate", "timestamp"=>"2018-01-23T08:01:02Z"}
• {"title"=>"Dennstaedtiaceae", "url"=>"http://pl.wikipedia.org/wiki/Dennstaedtiaceae", "timestamp"=>"2018-01-23T07:56:56Z"}
• {"title"=>"Wietlicowate", "url"=>"http://pl.wikipedia.org/wiki/Wietlicowate", "timestamp"=>"2018-01-22T11:29:39Z"}
• {"title"=>"Onokleowate", "url"=>"http://pl.wikipedia.org/wiki/Onokleowate", "timestamp"=>"2018-01-22T15:35:09Z"}
• {"title"=>"Saccolomataceae", "url"=>"http://pl.wikipedia.org/wiki/Saccolomataceae", "timestamp"=>"2018-01-23T07:57:56Z"}
• {"title"=>"Paprotkowce", "url"=>"http://pl.wikipedia.org/wiki/Paprotkowce", "timestamp"=>"2018-01-22T05:20:46Z"}
• {"title"=>"Tectariaceae", "url"=>"http://pl.wikipedia.org/wiki/Tectariaceae", "timestamp"=>"2018-01-23T08:02:20Z"}
• {"title"=>"Zanokcicowate", "url"=>"http://pl.wikipedia.org/wiki/Zanokcicowate", "timestamp"=>"2018-01-23T07:59:49Z"}
• {"title"=>"Zachylnikowate", "url"=>"http://pl.wikipedia.org/wiki/Zachylnikowate", "timestamp"=>"2019-03-18T10:09:44Z"}
• {"title"=>"Nerecznicowate", "url"=>"http://pl.wikipedia.org/wiki/Nerecznicowate", "timestamp"=>"2018-01-23T08:01:24Z"}
• {"title"=>"Podrzeniowate", "url"=>"http://pl.wikipedia.org/wiki/Podrzeniowate", "timestamp"=>"2018-01-22T12:04:50Z"}
• {"title"=>"Paprotkowate", "url"=>"http://pl.wikipedia.org/wiki/Paprotkowate", "timestamp"=>"2018-01-18T14:37:07Z"}
• {"title"=>"Orliczkowate", "url"=>"http://pl.wikipedia.org/wiki/Orliczkowate", "timestamp"=>"2019-03-18T10:09:45Z"}
• {"title"=>"Bộ Dương xỉ", "url"=>"http://vi.wikipedia.org/wiki/Bộ_Dương_xỉ", "timestamp"=>"2015-06-07T17:00:24Z"}
• {"title"=>"Eupolypods I", "url"=>"http://pt.wikipedia.org/wiki/Eupolypods_I", "timestamp"=>"2018-11-26T01:35:47Z"}
• {"title"=>"Aspleniaceae", "url"=>"http://pt.wikipedia.org/wiki/Aspleniaceae", "timestamp"=>"2019-01-19T03:26:34Z"}
• {"title"=>"水龍骨目", "url"=>"http://zh.wikipedia.org/wiki/水龍骨目", "timestamp"=>"2019-02-25T20:40:43Z"}
• {"title"=>"Аспленієві", "url"=>"http://uk.wikipedia.org/wiki/Аспленієві", "timestamp"=>"2016-12-20T20:52:14Z"}
• {"title"=>"Багатоніжкові (порядок)", "url"=>"http://uk.wikipedia.org/wiki/Багатоніжкові_(порядок)", "timestamp"=>"2015-07-11T21:54:21Z"}
• {"title"=>"Polipodials", "url"=>"http://ca.wikipedia.org/wiki/Polipodials", "timestamp"=>"2017-11-04T21:54:42Z"}
• {"title"=>"Kapradiny", "url"=>"http://cs.wikipedia.org/wiki/Kapradiny", "timestamp"=>"2018-05-12T14:45:57Z"}
• {"title"=>"쿨키타속", "url"=>"http://ko.wikipedia.org/wiki/쿨키타속", "timestamp"=>"2017-10-08T20:49:45Z"}
• {"title"=>"금털고사리과", "url"=>"http://ko.wikipedia.org/wiki/금털고사리과", "timestamp"=>"2018-07-19T11:36:22Z"}
• {"title"=>"디프테리스과", "url"=>"http://ko.wikipedia.org/wiki/디프테리스과", "timestamp"=>"2018-10-13T10:21:07Z"}
• {"title"=>"우드풀과", "url"=>"http://ko.wikipedia.org/wiki/우드풀과", "timestamp"=>"2018-10-13T05:22:18Z"}
• {"title"=>"꿩고사리속", "url"=>"http://ko.wikipedia.org/wiki/꿩고사리속", "timestamp"=>"2017-10-08T20:39:14Z"}
• {"title"=>"딕소니아과", "url"=>"http://ko.wikipedia.org/wiki/딕소니아과", "timestamp"=>"2018-07-21T18:47:11Z"}
• {"title"=>"메탁시아속", "url"=>"http://ko.wikipedia.org/wiki/메탁시아속", "timestamp"=>"2017-10-08T20:41:00Z"}
• {"title"=>"키보티움속", "url"=>"http://ko.wikipedia.org/wiki/키보티움속", "timestamp"=>"2018-11-10T18:19:24Z"}
• {"title"=>"티르솝테리스 엘레간스", "url"=>"http://ko.wikipedia.org/wiki/티르솝테리스_엘레간스", "timestamp"=>"2015-06-28T22:13:37Z"}
• {"title"=>"록소마과", "url"=>"http://ko.wikipedia.org/wiki/록소마과", "timestamp"=>"2017-10-08T20:55:05Z"}
• {"title"=>"꼬리고사리과", "url"=>"http://ko.wikipedia.org/wiki/꼬리고사리과", "timestamp"=>"2017-10-08T19:19:30Z"}
• {"title"=>"마토니아과", "url"=>"http://ko.wikipedia.org/wiki/마토니아과", "timestamp"=>"2018-10-13T10:21:41Z"}
• {"title"=>"삭콜로마과", "url"=>"http://ko.wikipedia.org/wiki/삭콜로마과", "timestamp"=>"2018-05-22T04:23:57Z"}
• {"title"=>"새깃아재비과", "url"=>"http://ko.wikipedia.org/wiki/새깃아재비과", "timestamp"=>"2018-12-15T14:42:43Z"}
• {"title"=>"한들고사리과", "url"=>"http://ko.wikipedia.org/wiki/한들고사리과", "timestamp"=>"2017-10-08T19:21:49Z"}
• {"title"=>"나무고사리목", "url"=>"http://ko.wikipedia.org/wiki/나무고사리목", "timestamp"=>"2018-08-26T14:44:34Z"}
• {"title"=>"개고사리과", "url"=>"http://ko.wikipedia.org/wiki/개고사리과", "timestamp"=>"2017-10-08T19:23:10Z"}
• {"title"=>"나무고사리과", "url"=>"http://ko.wikipedia.org/wiki/나무고사리과", "timestamp"=>"2018-05-17T17:16:16Z"}
• {"title"=>"봉의꼬리과", "url"=>"http://ko.wikipedia.org/wiki/봉의꼬리과", "timestamp"=>"2018-12-15T13:00:15Z"}
• {"title"=>"헤미딕티움속", "url"=>"http://ko.wikipedia.org/wiki/헤미딕티움속", "timestamp"=>"2018-11-11T12:51:47Z"}
• {"title"=>"키스토디움 소르비폴리움", "url"=>"http://ko.wikipedia.org/wiki/키스토디움_소르비폴리움", "timestamp"=>"2018-11-10T18:21:28Z"}
• {"title"=>"네프롤레피스속", "url"=>"http://ko.wikipedia.org/wiki/네프롤레피스속", "timestamp"=>"2018-05-21T10:46:39Z"}
• {"title"=>"라키도소루스속", "url"=>"http://ko.wikipedia.org/wiki/라키도소루스속", "timestamp"=>"2017-10-08T19:11:17Z"}
• {"title"=>"진정고사리군 II", "url"=>"http://ko.wikipedia.org/wiki/진정고사리군_II", "timestamp"=>"2017-10-08T19:17:59Z"}
• {"title"=>"디플라지옵시스과", "url"=>"http://ko.wikipedia.org/wiki/디플라지옵시스과", "timestamp"=>"2017-10-08T19:22:30Z"}
• {"title"=>"고사리목", "url"=>"http://ko.wikipedia.org/wiki/고사리목", "timestamp"=>"2019-02-24T06:22:52Z"}
• {"title"=>"텍타리과", "url"=>"http://ko.wikipedia.org/wiki/텍타리과", "timestamp"=>"2018-09-06T17:54:37Z"}

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Figshare

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• {"files"=>["https://ndownloader.figshare.com/files/366383", "https://ndownloader.figshare.com/files/366403", "https://ndownloader.figshare.com/files/366420"], "description"=>"<div><p>In the past two decades, molecular systematic studies have revolutionized our understanding of the evolutionary history of ferns. The availability of large molecular data sets together with efficient computer algorithms, now enables us to reconstruct evolutionary histories with previously unseen completeness. Here, the most comprehensive fern phylogeny to date, representing over one-fifth of the extant global fern diversity, is inferred based on four plastid genes. Parsimony and maximum-likelihood analyses provided a mostly congruent results and in general supported the prevailing view on the higher-level fern systematics. At a deep phylogenetic level, the position of horsetails depended on the optimality criteria chosen, with horsetails positioned as the sister group either of Marattiopsida-Polypodiopsida clade or of the Polypodiopsida. The analyses demonstrate the power of using a ‘supermatrix’ approach to resolve large-scale phylogenies and reveal questionable taxonomies. These results provide a valuable background for future research on fern systematics, ecology, biogeography and other evolutionary studies.</p> </div>", "links"=>[], "tags"=>["resolving", "fern"], "article_id"=>132399, "categories"=>["Cell Biology", "Evolutionary Biology"], "users"=>["Samuli Lehtonen"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0024851.s001", "https://dx.doi.org/10.1371/journal.pone.0024851.s002", "https://dx.doi.org/10.1371/journal.pone.0024851.s003"], "stats"=>{"downloads"=>7, "page_views"=>12, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Towards_Resolving_the_Complete_Fern_Tree_of_Life/132399", "title"=>"Towards Resolving the Complete Fern Tree of Life", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2011-10-13 00:39:59"}

PMC Usage Stats | Further Information

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