{"id":"https://openalex.org/W7124437626","doi":"https://doi.org/10.5852/ejt.2026.1034.3145","title":"Cyathodium tetrasporum (Cyathodiaceae, Marchantiopsida), a new species of liverworts with spores permanently united in tetrads","display_name":"Cyathodium tetrasporum (Cyathodiaceae, Marchantiopsida), a new species of liverworts with spores permanently united in tetrads","publication_year":2026,"publication_date":"2026-01-16","ids":{"openalex":"https://openalex.org/W7124437626","doi":"https://doi.org/10.5852/ejt.2026.1034.3145"},"language":"en","primary_location":{"id":"doi:10.5852/ejt.2026.1034.3145","doi":"https://doi.org/10.5852/ejt.2026.1034.3145","is_oa":true,"landing_page_url":"https://doi.org/10.5852/ejt.2026.1034.3145","pdf_url":"https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3145/14019","source":{"id":"https://openalex.org/S2764351231","display_name":"European Journal of Taxonomy","issn_l":"2118-9773","issn":["2118-9773"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310311153","host_organization_name":"Consortium of European Natural History Museums","host_organization_lineage":["https://openalex.org/P4310311153"],"host_organization_lineage_names":["Consortium of European Natural History Museums"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"European Journal of Taxonomy","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3145/14019","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5062666237","display_name":"You\u2010Liang Xiang","orcid":"https://orcid.org/0000-0001-9727-7329","observed_orcids":["https://orcid.org/0000-0001-9727-7329"]},"institutions":[{"id":"https://openalex.org/I154893126","display_name":"Guizhou Normal University","ror":"https://ror.org/02x1pa065","country_code":"CN","type":"education","lineage":["https://openalex.org/I154893126"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"You-Liang Xiang","raw_affiliation_strings":["School of Life Science, Guizhou Normal University, Huaxi District, Guiyang 550025, China"],"raw_orcid":"https://orcid.org/0000-0001-9727-7329","affiliations":[{"raw_affiliation_string":"School of Life Science, Guizhou Normal University, Huaxi District, Guiyang 550025, China","institution_ids":["https://openalex.org/I154893126"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100409295","display_name":"Hao Xu","orcid":"https://orcid.org/0000-0003-2521-1368","observed_orcids":["https://orcid.org/0000-0003-2521-1368"]},"institutions":[{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Xu","raw_affiliation_strings":["Bryology Laboratory, Department of Biology, School of Life Sciences, East China Normal University, Shanghai 200241, China"],"raw_orcid":"https://orcid.org/0000-0003-2521-1368","affiliations":[{"raw_affiliation_string":"Bryology Laboratory, Department of Biology, School of Life Sciences, East China Normal University, Shanghai 200241, China","institution_ids":["https://openalex.org/I66867065"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002643911","display_name":"Rui\u2010Liang Zhu","orcid":"https://orcid.org/0000-0002-0163-8255","observed_orcids":["https://orcid.org/0000-0002-0163-8255"]},"institutions":[{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rui-Liang Zhu","raw_affiliation_strings":["Bryology Laboratory, Department of Biology, School of Life Sciences, East China Normal University, Shanghai 200241, China"],"raw_orcid":"https://orcid.org/0000-0002-0163-8255","affiliations":[{"raw_affiliation_string":"Bryology Laboratory, Department of Biology, School of Life Sciences, East China Normal University, Shanghai 200241, China","institution_ids":["https://openalex.org/I66867065"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.01959021,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"1034","issue":null,"first_page":"119","last_page":"132"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11836","display_name":"Bryophyte Studies and Records","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T11836","display_name":"Bryophyte Studies and Records","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11528","display_name":"Lichen and fungal ecology","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12359","display_name":"Fern and Epiphyte Biology","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/marchantiopsida","display_name":"Marchantiopsida","score":0.8450000286102295},{"id":"https://openalex.org/keywords/liverworts","display_name":"liverworts","score":0.9419999718666077},{"id":"https://openalex.org/keywords/new-species","display_name":"new species","score":0.9229999780654907},{"id":"https://openalex.org/keywords/tetrads","display_name":"tetrads","score":0.8899999856948853},{"id":"https://openalex.org/keywords/spore-morphology","display_name":"spore morphology","score":0.6700000166893005},{"id":"https://openalex.org/keywords/luminescence","display_name":"luminescence","score":0.7279999852180481},{"id":"https://openalex.org/keywords/chloroplast-markers","display_name":"chloroplast markers","score":0.7369999885559082},{"id":"https://openalex.org/keywords/bryophyte-taxonomy","display_name":"bryophyte taxonomy","score":0.6959999799728394},{"id":"https://openalex.org/keywords/conservation-assessment","display_name":"conservation status assessment","score":0.5009999871253967}],"concepts":[{"id":"https://openalex.org/C174618031","wikidata":"https://www.wikidata.org/wiki/Q177332","display_name":"Spore","level":2,"score":0.762499988079071},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.7336000204086304},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.6931999921798706},{"id":"https://openalex.org/C157369684","wikidata":"https://www.wikidata.org/wiki/Q34740","display_name":"Genus","level":2,"score":0.6229000091552734},{"id":"https://openalex.org/C43827410","wikidata":"https://www.wikidata.org/wiki/Q32059","display_name":"IUCN Red List","level":2,"score":0.598800003528595},{"id":"https://openalex.org/C2776817793","wikidata":"https://www.wikidata.org/wiki/Q6553369","display_name":"Lineage (genetic)","level":3,"score":0.5910000205039978},{"id":"https://openalex.org/C124743340","wikidata":"https://www.wikidata.org/wiki/Q207495","display_name":"Thallus","level":2,"score":0.5631999969482422},{"id":"https://openalex.org/C58642233","wikidata":"https://www.wikidata.org/wiki/Q8269924","display_name":"Taxonomy (biology)","level":2,"score":0.4553999900817871},{"id":"https://openalex.org/C2780737616","wikidata":"https://www.wikidata.org/wiki/Q82673","display_name":"Conservation status","level":3,"score":0.35510000586509705},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.3215000033378601},{"id":"https://openalex.org/C90856448","wikidata":"https://www.wikidata.org/wiki/Q431","display_name":"Zoology","level":1,"score":0.319599986076355},{"id":"https://openalex.org/C193252679","wikidata":"https://www.wikidata.org/wiki/Q242125","display_name":"Phylogenetic tree","level":3,"score":0.3124000132083893},{"id":"https://openalex.org/C193121310","wikidata":"https://www.wikidata.org/wiki/Q252730","display_name":"Type species","level":3,"score":0.3091999888420105},{"id":"https://openalex.org/C71640776","wikidata":"https://www.wikidata.org/wiki/Q16521","display_name":"Taxon","level":2,"score":0.288100004196167},{"id":"https://openalex.org/C90132467","wikidata":"https://www.wikidata.org/wiki/Q171184","display_name":"Phylogenetics","level":3,"score":0.2632000148296356},{"id":"https://openalex.org/C66582369","wikidata":"https://www.wikidata.org/wiki/Q1567633","display_name":"Sister group","level":5,"score":0.2605000138282776},{"id":"https://openalex.org/C24518262","wikidata":"https://www.wikidata.org/wiki/Q16197023","display_name":"Threatened species","level":3,"score":0.2603999972343445}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.5852/ejt.2026.1034.3145","doi":"https://doi.org/10.5852/ejt.2026.1034.3145","is_oa":true,"landing_page_url":"https://doi.org/10.5852/ejt.2026.1034.3145","pdf_url":"https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3145/14019","source":{"id":"https://openalex.org/S2764351231","display_name":"European Journal of Taxonomy","issn_l":"2118-9773","issn":["2118-9773"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310311153","host_organization_name":"Consortium of European Natural History Museums","host_organization_lineage":["https://openalex.org/P4310311153"],"host_organization_lineage_names":["Consortium of European Natural History Museums"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"European Journal of Taxonomy","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:12d4974c8d3546c2be5dfbb1a5859614","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/12d4974c8d3546c2be5dfbb1a5859614","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"European Journal of Taxonomy, Vol 1034, Iss 1 (2026)","raw_type":"article"},{"id":"pmh:oai:publikationen.ub.uni-frankfurt.de:83967","doi":null,"is_oa":true,"landing_page_url":"http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/83967","pdf_url":null,"source":{"id":"https://openalex.org/S4306400432","display_name":"Publication Server of Goethe University Frankfurt am Main (Goethe University Frankfurt)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I114090438","host_organization_name":"Goethe University Frankfurt","host_organization_lineage":["https://openalex.org/I114090438"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:zenodo.org:18685583","doi":null,"is_oa":true,"landing_page_url":"https://doi.org/10.5852/ejt.2026.1034.3145","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"European Journal of Taxonomy, 1034, 119-132, (2026-01-16)","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.5852/ejt.2026.1034.3145","doi":"https://doi.org/10.5852/ejt.2026.1034.3145","is_oa":true,"landing_page_url":"https://doi.org/10.5852/ejt.2026.1034.3145","pdf_url":"https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3145/14019","source":{"id":"https://openalex.org/S2764351231","display_name":"European Journal of Taxonomy","issn_l":"2118-9773","issn":["2118-9773"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1"],"host_organization":"https://openalex.org/P4310311153","host_organization_name":"Consortium of European Natural History Museums","host_organization_lineage":["https://openalex.org/P4310311153"],"host_organization_lineage_names":["Consortium of European Natural History Museums"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"European Journal of Taxonomy","raw_type":"journal-article"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"display_name":"Life on land","id":"https://metadata.un.org/sdg/15","score":0.6560630202293396}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322370","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7124437626.pdf","grobid_xml":"https://content.openalex.org/works/W7124437626.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W1549938471","https://openalex.org/W1884087861","https://openalex.org/W1963585710","https://openalex.org/W1968075485","https://openalex.org/W1982803020","https://openalex.org/W2028302194","https://openalex.org/W2035885706","https://openalex.org/W2050661008","https://openalex.org/W2063474800","https://openalex.org/W2135946293","https://openalex.org/W2141521096","https://openalex.org/W2148698435","https://openalex.org/W2152207030","https://openalex.org/W2160378127","https://openalex.org/W2292507041","https://openalex.org/W2614081736","https://openalex.org/W2979811825","https://openalex.org/W2988610600","https://openalex.org/W3005235420","https://openalex.org/W4240219957","https://openalex.org/W4283782834","https://openalex.org/W4390512791","https://openalex.org/W4394571028","https://openalex.org/W4410038716"],"related_works":[],"abstract_inverted_index":{"The":[0],"genus":[1,36,100],"Cyathodium":[2,83,92,96],"(Marchantiophyta:":[3],"Cyathodiaceae),":[4],"a":[5,15,25,41,58,130],"phylogenetically":[6],"distinct":[7],"lineage":[8],"of":[9,22,29,34,52,71,101,127],"cave-adapted":[10],"liverworts,":[11],"is":[12,89],"characterized":[13,107],"by":[14,108],"female":[16],"involucre":[17],"on":[18],"the":[19,46,53,98,102],"ventral":[20],"surface":[21],"thalli":[23],"and":[24,76,116,129],"distinctive":[26],"green":[27],"luminescence":[28],"thalli.":[30],"Globally,":[31],"12":[32],"species":[33,42,61,106],"this":[35,87],"are":[37,135],"currently":[38],"accepted,":[39],"with":[40,105,123],"diversity":[43],"center":[44],"in":[45,67,112],"Himalayas.":[47],"During":[48],"our":[49],"taxonomic":[50],"survey":[51],"Chinese":[54],"bryoflora,":[55],"we":[56],"found":[57],"remarkable":[59],"undescribed":[60],"that":[62],"exhibits":[63],"spores":[64,109],"permanently":[65,110],"united":[66,111],"tetrads.":[68],"Molecular":[69],"evidence":[70],"chloroplast":[72],"markers":[73],"(psbA-trnH,":[74],"rbcL":[75],"rps4)":[77],"resolved":[78],"it":[79],"as":[80,91],"sister":[81],"to":[82],"tuberosum":[84],"Kashyap.":[85],"Here,":[86],"plant":[88],"described":[90],"tetrasporum":[93],"sp.":[94],"nov.":[95],"becomes":[97],"third":[99],"class":[103],"Marchantiopsida":[104],"tetrads,":[113],"after":[114],"Riccia":[115],"Sphaerocarpos.":[117],"Detailed":[118],"morphological":[119],"descriptions,":[120],"comparative":[121],"analyses":[122],"congeners,":[124],"SEM":[125],"images":[126],"spores,":[128],"provisional":[131],"IUCN":[132],"conservation":[133],"assessment":[134],"provided.":[136]},"counts_by_year":[],"updated_date":"2026-09-26T08:19:03.415552","created_date":"2026-01-17T00:00:00"}