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Range extent was estimated to be 32 million square kilometers, using herbarium specimens and photo-based observations documented between 1992 and 2023 (Flora of North America Editorial Committee 1993, GBIF 2023, iNaturalist 2023, Weakley and Southeastern Flora Team 2023).","areaOfOccupancy":{"id":97,"areaOfOccupancyType":{"id":4,"areaOfOccupancyTypeDescEn":"4-km2 grid cells","areaOfOccupancyTypeDescEs":"Células de la cuadrícula de 4 km2","areaOfOccupancyTypeDescFr":"Cellules de grille de 4 km2"},"areaOfOccupancyDescEn":"2,501-12,500","areaOfOccupancyDescEs":"De 2.501 a 12.500","areaOfOccupancyDescFr":"De 2 501 à 12 500","bioticsKey":44},"areaOfOccupancyComments":"Area of Occupancy was estimated at 22,560 square kilometers, based on its presence in 5640 grid cells, each 2 km by 2 km, using herbarium specimen and photo-based observation data collected between 1992 and 2023 (GBIF 2023, iNaturalist 2023).","numberEosComments":"By applying a 1 km separation distance to herbarium specimens, and photo-based observations data documented between 1992 and 2023, it is estimated that there are over 5000 occurrences rangewide (GBIF 2023, iNaturalist 2023).","popSizeComments":"Asplenium platyneuron is an ecological generalist and is particularly characteristic of disturbed woodlands (Flora of North America Editorial Committee 1993).","viabilityComments":null,"threatImpactComments":"Fragmentation and loss of habitat due to development is a threat, but with low impact overall.","shortTermTrendComments":null,"longTermTrendComments":"<i>Asplenium platyneuron</i> is an ecological generalist and is particularly characteristic of disturbed woodlands, it is migrating northward on the northern portions of its range (Flora of North America Editorial Committee 1993).","inventoryNeeds":null,"numberProtEosComments":"Ebony Spleenwort (<i>Asplenium platyneuron</i>) occurs in the United States on various National Forests, National Parks, National Wildlife Refuges, State Parks, State Wildlife Management Areas, and it occurs on other conservation lands in the United States, Canada, and South Africa (GBIF 2023, iNaturalist 2023).","protectionNeeds":null,"otherConsiderations":null,"intrinsicVulnerabilityComments":null,"enviromentalSpecificityComments":null},"animalCharacteristics":null,"occurrenceDelineations":[{"eoSpecsDetailId":123858,"locationUseClass":{"id":1,"locationUseClassDescEn":"Not applicable","locationUseClassDescEs":"No se aplica","locationUseClassDescFr":"Sans objet","displayOrder":1},"eoSpecGroupName":null,"subtypes":null,"inferredExtentDistance":null,"inferredExtentNotes":null,"minimumEoCriteria":null,"mappingGuidance":null,"separationBarriers":null,"separationDistanceUnsuitableHabitatat":null,"separationDistanceSuitableHabitatat":null,"altSeparationProcedure":"Use the Habitat-based Plant Element Occurrence Delimitation Guidance, 1 October 2004, to develop occurrences.<br>For a complete description of this approach, see the Habitat-Based Strategy for Delimiting Plant Element Occurrences: Guidance from the 2004 Working Group.","separationJustification":null,"versionDate":"2004-10-01","versionAuthor":null,"versionNotes":null,"lastModified":"2020-02-25T17:00:56.05207Z"}],"plantCharacteristics":{"elementGlobalId":155256,"genusEconomicValue":false,"economicComments":null,"plantProductionMethods":[],"plantDurations":[{"plantCagDurationId":107096,"duration":{"id":3,"durationDescEn":"PERENNIAL","durationDescEs":"PERENNE","durationDescFr":"VIVACE","displayOrder":3}}],"plantEconomicUses":[],"plantCommercialImportances":[]},"elementManagement":{"elementGlobalId":155256,"eoManagementGroupName":null,"stewardshipOverview":null,"impacts":null,"restorationPotential":null,"siteConservationPlansConsidered":null,"managementMethods":null,"monitoringMethods":null,"managementProgramContacts":null,"monitoringProgramContacts":null,"managementResearchPrograms":null,"managementResearchNeeds":null,"biologicalResearchNeeds":null,"additionalTopics":null},"occurrenceViabilities":[{"eoRankSpecsDetailId":100915,"eoRankSpecsGroupName":null,"locationUseClass":null,"excellentViability":null,"goodViability":null,"fairViability":null,"poorViability":null,"viabilityJustification":"Use the Generic Guidelines for the Application of Occurrence Ranks (2008).<br>The Key for Ranking Species Occurrences Using the Generic Approach provides a step-wise process for implementing this method.","versionDate":null,"versionAuthor":null,"versionNotes":null,"lastModified":"2020-05-14T04:33:17.106796Z"}],"references":[{"id":132991,"citation":"Flora of North America Editorial Committee (FNA). 1993a. Flora of North America north of Mexico. Vol. 2. Pteridophytes and gymnosperms. Oxford Univ. Press, New York. xvi + 475 pp.","shortCitationAuthor":"FNA","shortCitationYear":1993,"referenceCode":"B93FNA02HQUS","lastModified":"2024-07-05T22:45:33.79037Z"},{"id":1121164,"citation":"Global Biodiversity Information Facility (GBIF). 2023. Global Biodiversity Information Facility (GBIF) data portal. Online. Available: https://www.gbif.org/ (accessed 2023).","shortCitationAuthor":"GBIF","shortCitationYear":2023,"referenceCode":"W23GBI01HQUS","lastModified":"2023-02-04T03:26:39.562864Z"},{"id":1121159,"citation":"iNaturalist. 2023. Online. Available: https://www.inaturalist.org (accessed 2023).","shortCitationAuthor":"iNaturalist","shortCitationYear":2023,"referenceCode":"W23INA01HQUS","lastModified":"2023-02-04T03:26:39.562864Z"},{"id":154408,"citation":"Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.","shortCitationAuthor":"Kartesz","shortCitationYear":1994,"referenceCode":"B94KAR01HQUS","lastModified":"2020-02-25T15:54:02.397953Z"},{"id":1129484,"citation":"Weakley, A.S., and Southeastern Flora Team. 2023. Flora of the southeastern United States. Edition of April 14, 2023. University of North Carolina Herbarium (NCU), North Carolina Botanical Garden, University of North Carolina, Chapel Hill. 2105 pp.","shortCitationAuthor":"Weakley and Southeastern Flora Team","shortCitationYear":2023,"referenceCode":"W23WEA01HQUS","lastModified":"2023-08-04T23:01:16.858789Z"},{"id":1141458,"citation":"Weakley, A.S., and Southeastern Flora Team. 2024. Flora of the southeastern United States. Edition of March 4, 2024. University of North Carolina Herbarium (NCU), North Carolina Botanical Garden, University of North Carolina, Chapel Hill. 2203 pp.","shortCitationAuthor":"Weakley and Southeastern Flora Team","shortCitationYear":2024,"referenceCode":"W24WEA01HQUS","lastModified":"2024-05-31T23:19:25.160531Z"}],"otherCommonNames":[{"id":135448,"name":"Doradille ébène","language":"FR"},{"id":127144,"name":"ebony spleenwort","language":"EN"}],"speciesGlobal":{"elementGlobalId":155256,"cites":null,"cosewic":null,"fwsRegion":null,"genusSize":{"id":4,"genusSizeDescEn":"Medium to large genus","genusSizeDescEs":"Género de mediano a grande","genusSizeDescFr":"Moyen à grand genre"},"jurisEndem":{"id":5,"jurisEndemDescEn":"occurs (regularly, as a native taxon) in multiple nations","jurisEndemDescEs":"Se encuentra en varias naciones (de manera regular, como un taxón nativo)","jurisEndemDescFr":"Se trouve dans plusieurs nations (de façon régulière, tel un taxon indigène)"},"nomenclaturallyEst":null,"usesa":null,"informalTaxonomy":{"informalTaxonomyId":98,"level1":"Plants","level2":"Vascular Plants - Ferns and relatives","level3":"Leptosporangiate Ferns","level":3,"hasChildren":false,"parentId":93,"distributionStatus":"complete","displayOrder":5250},"parentSpecies":null,"infraspecies":false,"kingdom":"Plantae","phylum":"Filicinophyta","taxclass":"Filicopsida","taxorder":"Filicales","family":"Aspleniaceae","genus":"Asplenium","americanFisheriesStatus":null,"americanFisheriesStatusDate":null,"saraStatus":null,"saraStatusDate":null,"cosewicDate":null,"interpretedCosewic":null,"cosewicComments":null,"usesaDate":null,"interpretedUsesa":null,"usesaComments":null,"completeDistribution":true,"synonyms":[],"infraspeciesList":[{"infraspeciesId":130876,"uniqueId":"ELEMENT_GLOBAL.2.130876","formattedScientificName":"<i>Asplenium platyneuron</i> var. <i>platyneuron</i>","scientificName":"Asplenium platyneuron var. platyneuron","primaryCommonName":"Ebony Spleenwort","nsxUrl":null},{"infraspeciesId":142262,"uniqueId":"ELEMENT_GLOBAL.2.142262","formattedScientificName":"<i>Asplenium platyneuron</i> var. <i>proliferum</i>","scientificName":"Asplenium platyneuron var. proliferum","primaryCommonName":"Ebony Spleenwort","nsxUrl":null},{"infraspeciesId":153129,"uniqueId":"ELEMENT_GLOBAL.2.153129","formattedScientificName":"<i>Asplenium platyneuron</i> var. <i>incisum</i>","scientificName":"Asplenium platyneuron var. incisum","primaryCommonName":"Ebony Spleenwort","nsxUrl":null},{"infraspeciesId":161101,"uniqueId":"ELEMENT_GLOBAL.2.161101","formattedScientificName":"<i>Asplenium platyneuron</i> var. <i>bacculum-rubrum</i>","scientificName":"Asplenium platyneuron var. bacculum-rubrum","primaryCommonName":"Ebony Spleenwort","nsxUrl":null}],"ebarId":null,"ebarCanadianScope":false,"ebarGlobalScope":false,"ebarKbaGroup":"Vascular Plants","caGeneralStatusId":"GS000033"},"speciesCharacteristics":{"elementGlobalId":155256,"reproductionComments":null,"ecologyComments":null,"habitatComments":"<i>Asplenium platyneuron</i> is an ecological generalist and is particularly characteristic of disturbed woodlands, also in old fields, and on outcrops, especially of calcareous rocks and in masonry crevices, at up to 1300 meters elevation (Flora of North America Editorial Committee 1993, Weakley and Southeastern Flora Team 2023).","generalDescription":null,"diagnosticCharacteristics":null,"speciesMarineHabitats":[],"speciesTerrestrialHabitats":[{"cagTerrHabId":115058,"terrestrialHabitat":{"id":23,"terrestrialHabitatDescEn":"Forest/Woodland","terrestrialHabitatDescEs":"Bosque/Tierras forestales ","terrestrialHabitatDescFr":"Forêt/terrain boisé","displayOrder":1}},{"cagTerrHabId":115059,"terrestrialHabitat":{"id":10,"terrestrialHabitatDescEn":"Old field","terrestrialHabitatDescEs":"Terreno baldío","terrestrialHabitatDescFr":"Friche","displayOrder":12}},{"cagTerrHabId":115060,"terrestrialHabitat":{"id":17,"terrestrialHabitatDescEn":"Bare rock/talus/scree","terrestrialHabitatDescEs":"Roca viva/pendiente de roca/piedras sueltas","terrestrialHabitatDescFr":"Éboulis","displayOrder":20}},{"cagTerrHabId":115061,"terrestrialHabitat":{"id":18,"terrestrialHabitatDescEn":"Cliff","terrestrialHabitatDescEs":"Acantilado","terrestrialHabitatDescFr":"Falaise","displayOrder":21}}],"speciesRiverineHabitats":[],"speciesPalustrineHabitats":[],"speciesLacustrineHabitats":[],"speciesSubterraneanHabitats":[],"speciesEstuarineHabitats":[]},"primaryReference":{"id":1141458,"citation":"Weakley, A.S., and Southeastern Flora Team. 2024. Flora of the southeastern United States. Edition of March 4, 2024. University of North Carolina Herbarium (NCU), North Carolina Botanical Garden, University of North Carolina, Chapel Hill. 2203 pp.","shortCitationAuthor":"Weakley and Southeastern Flora Team","shortCitationYear":2024,"referenceCode":"W24WEA01HQUS","lastModified":"2024-05-31T23:19:25.160531Z"},"predecessors":[{"predecessorId":114670,"elCode":"PPASP02112","name":"Asplenium platyneuron var. incisum","formattedName":"<i>Asplenium platyneuron</i> var. <i>incisum</i>","classficationCode":null,"uniqueId":"ELEMENT_GLOBAL.2.153129","lineageDate":null,"nsxUrl":null},{"predecessorId":114671,"elCode":"PPASP02111","name":"Asplenium platyneuron var. bacculum-rubrum","formattedName":"<i>Asplenium platyneuron</i> var. <i>bacculum-rubrum</i>","classficationCode":null,"uniqueId":"ELEMENT_GLOBAL.2.161101","lineageDate":null,"nsxUrl":null},{"predecessorId":114672,"elCode":"PPASP02113","name":"Asplenium platyneuron var. platyneuron","formattedName":"<i>Asplenium platyneuron</i> var. <i>platyneuron</i>","classficationCode":null,"uniqueId":"ELEMENT_GLOBAL.2.130876","lineageDate":null,"nsxUrl":null},{"predecessorId":114665,"elCode":"PPASP02114","name":"Asplenium platyneuron var. proliferum","formattedName":"<i>Asplenium platyneuron</i> var. <i>proliferum</i>","classficationCode":null,"uniqueId":"ELEMENT_GLOBAL.2.142262","lineageDate":null,"nsxUrl":null}],"elementGlobalThreatAssessments":[{"elementGlobalThreatAssessId":53537,"iucnThreatCategory":{"id":1,"iucnThreatCategoryCd":"1","iucnThreatCategoryDescEn":"Residential & commercial development","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"1 - 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