{"elementGlobalId":154703,"circumscripConfidence":null,"classificationLevel":{"id":17,"classificationLevelNameEn":"Species","classificationLevelNameEs":"Especies","classificationLevelNameFr":"Espèce"},"classificationStatus":{"id":1,"classificationStatusDescEn":"Standard","classificationStatusDescEs":"Estándar","classificationStatusDescFr":"Standard"},"iucn":null,"nameCategory":{"id":4,"nameCategoryDescEn":"Vascular Plant","nameCategoryDescEs":"Planta vascular","nameCategoryDescFr":"Plante vasculaire","nameTypeCd":"P","nameTypeDesc":"Botanical"},"rankMethodUsed":{"id":7,"rankMethodUsedDescEn":" Rank calculation - Biotics v2","rankMethodUsedDescEs":null,"rankMethodUsedDescFr":null,"rankMethodUsedExternalDescEn":"Ranked by calculator","rankMethodUsedExternalDescEs":null,"rankMethodUsedExternalDescFr":null},"formattedScientificName":"<i>Asplenium rhizophyllum</i>","scientificName":"Asplenium rhizophyllum","scientificNameAuthor":"L.","primaryCommonName":"Walking-fern Spleenwort","relatedItisNames":"<i>Asplenium rhizophyllum</i> L. (TSN 17359)","uniqueId":"ELEMENT_GLOBAL.2.154703","elcode":"PPASP02180","conceptRefFullCitation":"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.","conceptName":"<i>Asplenium rhizophyllum</i>","taxonomicComments":"FNA (1993, vol. 2), Kartesz (1994), and Weakley and the Southeastern Flora Team (2023) accept <i>Asplenium rhizophyllum</i>. <i>Asplenium rhizophyllum </i>is one of the diploid progenitors of the reticulately evolved Appalachian <i>Asplenium </i>complex and is a parent species (with <i>A. montanum</i>) of the fertile allotetraploid species <i>A. pinnatifidum</i> (FNA 1993, vol. 2, Weakley and Southeastern Flora Team 2023).The generic placement of this taxon is in accordance with the Pteridophyte Phylogeny Group I (2016).","roundedGRank":"G5","conservationStatusFactorsEditionDate":"2023-09-27","conservationStatusFactorsEditionAuthors":"Geoffrey Hall (1998), rev. C. Nordman (2023).","primaryCommonNameLanguage":"EN","recordType":"SPECIES","elementNationals":[{"elementNationalId":230111,"classifConfidence":null,"nation":{"id":225,"nameEn":"United States","nameEs":"Estados Unidos","nameFr":"États-Unis","isoCode":"US","region":"United States"},"roundedNRank":"N5","elementSubnationals":[{"elementSubnationalId":505051,"subnation":{"id":21,"nameEn":"Kansas","nameEs":"Kansas","nameFr":"Kansas","subnationCode":"KS","dnationId":225},"roundedSRank":"S3","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S3","speciesSubnational":{"elementSubnationalId":505051,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":626071,"subnation":{"id":30,"nameEn":"Missouri","nameEs":"Missouri","nameFr":"Missouri","subnationCode":"MO","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":626071,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":379372,"subnation":{"id":37,"nameEn":"New Hampshire","nameEs":"New Hampshire","nameFr":"New Hampshire","subnationCode":"NH","dnationId":225},"roundedSRank":"S1","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S1","speciesSubnational":{"elementSubnationalId":379372,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":276271,"subnation":{"id":48,"nameEn":"South Carolina","nameEs":"Carolina del Sur","nameFr":"Caroline du Sud","subnationCode":"SC","dnationId":225},"roundedSRank":"S2","dataSensitive":{"id":1,"dataSensitiveDescEn":"Yes","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"Y"},"dataSensitiveCategory":{"id":4,"dataSensitiveCategoryDescEn":"Fragile species or habitat","dataSensitiveCategoryDescEs":null,"dataSensitiveCategoryDescFr":null,"nsStandardInd":true},"srank":"S2","speciesSubnational":{"elementSubnationalId":276271,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":384397,"subnation":{"id":25,"nameEn":"Maryland","nameEs":"Maryland","nameFr":"Maryland","subnationCode":"MD","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":384397,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":347486,"subnation":{"id":57,"nameEn":"Wisconsin","nameEs":"Wisconsin","nameFr":"Wisconsin","subnationCode":"WI","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":347486,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":356984,"subnation":{"id":43,"nameEn":"Oklahoma","nameEs":"Oklahoma","nameFr":"Oklahoma","subnationCode":"OK","dnationId":225},"roundedSRank":"S3","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S3","speciesSubnational":{"elementSubnationalId":356984,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":460512,"subnation":{"id":41,"nameEn":"New York","nameEs":"Nueva York","nameFr":"New York","subnationCode":"NY","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4S5","speciesSubnational":{"elementSubnationalId":460512,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":309874,"subnation":{"id":17,"nameEn":"Iowa","nameEs":"Iowa","nameFr":"Iowa","subnationCode":"IA","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":309874,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":369622,"subnation":{"id":58,"nameEn":"West Virginia","nameEs":"Virginia Occidental","nameFr":"Virginie-Occidentale","subnationCode":"WV","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":369622,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":508213,"subnation":{"id":11,"nameEn":"Delaware","nameEs":"Delaware","nameFr":"Delaware","subnationCode":"DE","dnationId":225},"roundedSRank":"SX","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SX","speciesSubnational":{"elementSubnationalId":508213,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":527247,"subnation":{"id":47,"nameEn":"Rhode Island","nameEs":"Rhode Island","nameFr":"Rhode Island","subnationCode":"RI","dnationId":225},"roundedSRank":"S1","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S1","speciesSubnational":{"elementSubnationalId":527247,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":537554,"subnation":{"id":38,"nameEn":"New Jersey","nameEs":"Nueva Jersey","nameFr":"New Jersey","subnationCode":"NJ","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":537554,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":453553,"subnation":{"id":34,"nameEn":"North Carolina","nameEs":"Carolina del Norte","nameFr":"Caroline du Nord","subnationCode":"NC","dnationId":225},"roundedSRank":"S3","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S3","speciesSubnational":{"elementSubnationalId":453553,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":572995,"subnation":{"id":42,"nameEn":"Ohio","nameEs":"Ohio","nameFr":"Ohio","subnationCode":"OH","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":572995,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":524307,"subnation":{"id":9,"nameEn":"Connecticut","nameEs":"Connecticut","nameFr":"Connecticut","subnationCode":"CT","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":524307,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":537547,"subnation":{"id":32,"nameEn":"Mississippi","nameEs":"Mississippi","nameFr":"Mississippi","subnationCode":"MS","dnationId":225},"roundedSRank":"S1","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S1","speciesSubnational":{"elementSubnationalId":537547,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":472603,"subnation":{"id":14,"nameEn":"Georgia","nameEs":"Georgia","nameFr":"Géorgie","subnationCode":"GA","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":472603,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":415316,"subnation":{"id":26,"nameEn":"Maine","nameEs":"Maine","nameFr":"Maine","subnationCode":"ME","dnationId":225},"roundedSRank":"SX","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SX","speciesSubnational":{"elementSubnationalId":415316,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":411907,"subnation":{"id":10,"nameEn":"District of Columbia","nameEs":"Distrito de Columbia","nameFr":"District de Columbia","subnationCode":"DC","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":411907,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":482265,"subnation":{"id":53,"nameEn":"Virginia","nameEs":"Virginia","nameFr":"Virginie","subnationCode":"VA","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":482265,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":524791,"subnation":{"id":22,"nameEn":"Kentucky","nameEs":"Kentucky","nameFr":"Kentucky","subnationCode":"KY","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":524791,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":319587,"subnation":{"id":2,"nameEn":"Alabama","nameEs":"Alabama","nameFr":"Alabama","subnationCode":"AL","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":319587,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":614537,"subnation":{"id":28,"nameEn":"Michigan","nameEs":"Michigan","nameFr":"Michigan","subnationCode":"MI","dnationId":225},"roundedSRank":"S2","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S2S3","speciesSubnational":{"elementSubnationalId":614537,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":403896,"subnation":{"id":50,"nameEn":"Tennessee","nameEs":"Tennessee","nameFr":"Tennessee","subnationCode":"TN","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":403896,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":635846,"subnation":{"id":55,"nameEn":"Vermont","nameEs":"Vermont","nameFr":"Vermont","subnationCode":"VT","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":635846,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":545067,"subnation":{"id":20,"nameEn":"Indiana","nameEs":"Indiana","nameFr":"Indiana","subnationCode":"IN","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":545067,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":410181,"subnation":{"id":19,"nameEn":"Illinois","nameEs":"Illinois","nameFr":"Illinois","subnationCode":"IL","dnationId":225},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4S5","speciesSubnational":{"elementSubnationalId":410181,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":505053,"subnation":{"id":24,"nameEn":"Massachusetts","nameEs":"Massachusetts","nameFr":"Massachusetts","subnationCode":"MA","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":505053,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":416379,"subnation":{"id":4,"nameEn":"Arkansas","nameEs":"Arkansas","nameFr":"Arkansas","subnationCode":"AR","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":416379,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":613417,"subnation":{"id":29,"nameEn":"Minnesota","nameEs":"Minnesota","nameFr":"Minnesota","subnationCode":"MN","dnationId":225},"roundedSRank":"SNR","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"SNR","speciesSubnational":{"elementSubnationalId":613417,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":337859,"subnation":{"id":45,"nameEn":"Pennsylvania","nameEs":"Pennsylvania","nameFr":"Pennsylvanie","subnationCode":"PA","dnationId":225},"roundedSRank":"S5","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S5","speciesSubnational":{"elementSubnationalId":337859,"hybrid":false,"exotic":false,"native":true}}],"nrankReviewYear":2023,"nrank":"N5","speciesNational":{"elementNationalId":230111,"exotic":false,"native":true}},{"elementNationalId":201200,"classifConfidence":null,"nation":{"id":38,"nameEn":"Canada","nameEs":"Canadá","nameFr":"Canada","isoCode":"CA","region":"Canada"},"roundedNRank":"N4","elementSubnationals":[{"elementSubnationalId":476166,"subnation":{"id":69,"nameEn":"Quebec","nameEs":"Quebec","nameFr":"Québec","subnationCode":"QC","dnationId":38},"roundedSRank":"S3","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S3","speciesSubnational":{"elementSubnationalId":476166,"hybrid":false,"exotic":false,"native":true}},{"elementSubnationalId":283012,"subnation":{"id":67,"nameEn":"Ontario","nameEs":"Ontario","nameFr":"Ontario","subnationCode":"ON","dnationId":38},"roundedSRank":"S4","dataSensitive":{"id":2,"dataSensitiveDescEn":"No","dataSensitiveDescEs":null,"dataSensitiveDescFr":null,"dataSensitiveCode":"N"},"dataSensitiveCategory":null,"srank":"S4","speciesSubnational":{"elementSubnationalId":283012,"hybrid":false,"exotic":false,"native":true}}],"nrankReviewYear":2023,"nrank":"N4","speciesNational":{"elementNationalId":201200,"exotic":false,"native":true}}],"lastModified":"2026-10-03T05:48:06.513776Z","lastPublished":"2026-10-03T02:45:59.472058Z","promotionalDescription":null,"conceptLineageSummary":null,"nsxUrl":"/Taxon/ELEMENT_GLOBAL.2.154703/Asplenium_rhizophyllum","grankAdjustmentReasons":null,"grankChangeDate":"1984-02-09","grankReviewDate":"2023-09-27","grankReasons":"Walking-fern Spleenwort (<i>Asplenium rhizophyllum</i>) occurs in eastern North America, from southern Québec and New Hampshire west to northern Michigan, Wisconsin, and southeastern Minnesota, and south to Alabama, Arkansas and eastern Oklahoma. It is estimated that there are more than 1800 occurrences rangewide, including on on various National Forests, and in National Parks and other National Park Service lands, State Forests, State Parks, State Wildlife Management Areas and other conservation lands in eastern North America. Threats include fragmentation and loss of habitat due to development or quarrying for limestone or dolomite, and loss of forest canopy, such as from large clearcuts without retention of trees where these ferns occur.","grank":"G5","rankInfo":{"elementGlobalId":154703,"aooPercentGood":null,"enviromentalSpecificity":null,"intrinsicVulnerability":null,"longTermTrend":null,"numberEos":{"id":15,"numberEosDescEn":"> 300","numberEosDescEs":"> 300","numberEosDescFr":"> 300"},"numberGoodEos":null,"numberProtEos":{"id":15,"numberProtEosDescEn":"Very many (>40) occurrences appropriately protected and managed","numberProtEosDescEs":"Muchas ocurrencias (>40) protegidas y controladas adecuadamente","numberProtEosDescFr":"Beaucoup d’occurrences (>40) protégées et contrôlées convenablement"},"popSize":{"id":37,"popSizeDescEn":"Unknown","popSizeDescEs":"Desconocido","popSizeDescFr":"Inconnu"},"rangeExtent":{"id":33,"rangeExtentDescEn":"200,000-2,500,000 square km (about 80,000-1,000,000 square miles)","rangeExtentDescEs":"200.000 a 2.500.000 kilómetros cuadrados (aproximadamente 80.000 a 1.000.000 millas cuadradas)","rangeExtentDescFr":"De 200 000 à 2 500 000 km carrés (de 80 000 à 1 000 000 miles carrés approximativement)"},"shortTermTrend":null,"threatImpactAssigned":{"id":10,"threatImpactAssignedDescEn":"Low","threatImpactAssignedDescEs":"Bajo","threatImpactAssignedDescFr":"Faible"},"rangeExtentComments":"Walking-fern Spleenwort (<i>Asplenium rhizophyllum</i>) also known, simply as Walking fern, occurs in eastern North America, from southern Québec and New Hampshire west to northern Michigan, Wisconsin, and southeastern Minnesota, and south to Alabama, Arkansas and eastern Oklahoma. Range extent was estimated to be 2.3 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":94,"areaOfOccupancyType":{"id":4,"areaOfOccupancyTypeDescEn":"4-km2 grid cells","areaOfOccupancyTypeDescEs":"Células de la cuadrícula de 4 km2","areaOfOccupancyTypeDescFr":"Cellules de grille de 4 km2"},"areaOfOccupancyDescEn":"501-2,500","areaOfOccupancyDescEs":"De 501 a 2.500","areaOfOccupancyDescFr":"De 501 à 2 500","bioticsKey":41},"areaOfOccupancyComments":"Area of Occupancy of <i>Asplenium rhizophyllum</i> was estimated to be 7400 square kilometers, based on its presence in about 1850 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 records and photo-based observations of <i>Asplenium rhizophyllum</i> documented between 1992 and 2023, it is estimated that there are more than 1800 occurrences rangewide (GBIF 2023, iNaturalist 2023).","popSizeComments":"<i>Asplenium rhizophyllum</i> is considered to be common in the Appalachians, Interior Low Plateau and the Ozark Mountains (NatureServe 2023, Weakley and Southeastern Flora Team 2023).","viabilityComments":null,"threatImpactComments":"Threats include fragmentation and loss of habitat due to development or quarrying for limestone or dolomite, and loss of forest canopy, such as from large clearcuts without retention of trees where these ferns occur.","shortTermTrendComments":null,"longTermTrendComments":null,"inventoryNeeds":null,"numberProtEosComments":"Walking-fern Spleenwort (<i>Asplenium rhizophyllum</i>) occurs on various National Forests, and in National Parks and other National Park Service lands, State Forests, State Parks, State Wildlife Management Areas and other conservation lands in eastern North America (GBIF 2023, iNaturalist 2023).","protectionNeeds":null,"otherConsiderations":null,"intrinsicVulnerabilityComments":null,"enviromentalSpecificityComments":null},"animalCharacteristics":null,"occurrenceDelineations":[{"eoSpecsDetailId":123470,"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":"2020-02-25T16:59:35.816328Z"}],"plantCharacteristics":{"elementGlobalId":154703,"genusEconomicValue":false,"economicComments":null,"plantProductionMethods":[],"plantDurations":[{"plantCagDurationId":107097,"duration":{"id":3,"durationDescEn":"PERENNIAL","durationDescEs":"PERENNE","durationDescFr":"VIVACE","displayOrder":3}}],"plantEconomicUses":[],"plantCommercialImportances":[]},"elementManagement":{"elementGlobalId":154703,"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":100895,"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":"2020-05-14T04:31:58.792959Z"}],"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":1121067,"citation":"NatureServe. 2023. NatureServe Network Biodiversity Location Data. NatureServe, Arlington, Virginia.","shortCitationAuthor":"NatureServe","shortCitationYear":2023,"referenceCode":"U23NAT01HQUS","lastModified":"2023-02-04T03:11:52.12467Z"},{"id":1146020,"citation":"Pteridophyte Phylogeny Group I. 2016. A Community-Derived Classification for Extant Lycophytes and Ferns. Journal of Systematics and Evolution 54(6): 563–603.","shortCitationAuthor":"Pteridophyte Phylogeny Group I","shortCitationYear":2016,"referenceCode":"A16PPG01HQUS","lastModified":"2024-11-01T22:21:55.775106Z"},{"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"}],"otherCommonNames":[{"id":135449,"name":"Doradille ambulante","language":"FR"},{"id":100621,"name":"Walking Fern","language":"EN"},{"id":127008,"name":"walking fern","language":"EN"}],"speciesGlobal":{"elementGlobalId":154703,"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":[{"id":105609,"synonym":"Camptosorus rhizophyllus","synonymAuthor":"(L.) Link","formattedSynonym":"<i>Camptosorus rhizophyllus</i>"}],"infraspeciesList":[],"ebarId":null,"ebarCanadianScope":false,"ebarGlobalScope":false,"ebarKbaGroup":"Vascular Plants","caGeneralStatusId":"GS000034"},"speciesCharacteristics":{"elementGlobalId":154703,"reproductionComments":"\"Proliferations arising from leaf tips result in the formation of clonal patches, often dense and extensive, on the mossy boulders and ledges where it typically grows\" (Flora of North America Editorial Committee 1993).","ecologyComments":null,"habitatComments":"<i>Asplenium </i><i>rhizophyllum</i> occurs on shaded, usually moss-covered boulders and ledges, usually on limestone or other basic rocks (such as dolostone, calcareous siltstone, or amphibolite) but occasionally on sandstone or other acidic rocks, and rarely on fallen tree trunks, at elevations from near sea level up to 1000 meters, or rarely up to or above 1500 meters (Flora of North America Editorial Committee 1993, Weakley and Southeastern Flora Team 2023).","generalDescription":null,"diagnosticCharacteristics":null,"speciesMarineHabitats":[],"speciesTerrestrialHabitats":[{"cagTerrHabId":115062,"terrestrialHabitat":{"id":1,"terrestrialHabitatDescEn":"Forest - Hardwood","terrestrialHabitatDescEs":"Bosque - Madera dura","terrestrialHabitatDescFr":"Forêt — Feuillu","displayOrder":2}},{"cagTerrHabId":115063,"terrestrialHabitat":{"id":3,"terrestrialHabitatDescEn":"Forest - Mixed","terrestrialHabitatDescEs":"Bosque - Mixto","terrestrialHabitatDescFr":"Forêt — Mixte","displayOrder":4}},{"cagTerrHabId":115064,"terrestrialHabitat":{"id":17,"terrestrialHabitatDescEn":"Bare rock/talus/scree","terrestrialHabitatDescEs":"Roca viva/pendiente de roca/piedras sueltas","terrestrialHabitatDescFr":"Éboulis","displayOrder":20}},{"cagTerrHabId":115065,"terrestrialHabitat":{"id":18,"terrestrialHabitatDescEn":"Cliff","terrestrialHabitatDescEs":"Acantilado","terrestrialHabitatDescFr":"Falaise","displayOrder":21}}],"speciesRiverineHabitats":[],"speciesPalustrineHabitats":[],"speciesLacustrineHabitats":[],"speciesSubterraneanHabitats":[],"speciesEstuarineHabitats":[]},"primaryReference":{"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"},"predecessors":[],"elementGlobalThreatAssessments":[{"elementGlobalThreatAssessId":53540,"iucnThreatCategory":{"id":1,"iucnThreatCategoryCd":"1","iucnThreatCategoryDescEn":"Residential & commercial development","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"1 - Residential & commercial development","displayValueEs":null,"displayValueFr":null,"displayOrder":10,"iucnThreat":"Y","parentThreatId":null,"iucnThreatLevel":1},"iucnThreatScope":{"id":4,"iucnThreatScopeDescEn":"Small: Affects a small proportion (1-10%) of the total population or occurrences or extent","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Small (1-10%)","displayValueEs":null,"displayValueFr":null,"displayOrder":4},"iucnThreatSeverity":{"id":2,"iucnThreatSeverityDescEn":"Serious: Likely to seriously degrade/reduce affected occurrences or habitat, or reduce  population 31-70%","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Serious or 31-70% pop. decline","displayValueEs":null,"displayValueFr":null,"displayOrder":2},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":10,"threatImpactCalcCd":"D","threatImpactCalcDescEn":"Low","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"D = Low","displayValueEs":null,"displayValueFr":null,"displayOrder":4}},{"elementGlobalThreatAssessId":53541,"iucnThreatCategory":{"id":2,"iucnThreatCategoryCd":"1.1","iucnThreatCategoryDescEn":"Housing & urban areas","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"1.1 - Housing & urban areas","displayValueEs":null,"displayValueFr":null,"displayOrder":20,"iucnThreat":"Y","parentThreatId":1,"iucnThreatLevel":2},"iucnThreatScope":{"id":4,"iucnThreatScopeDescEn":"Small: Affects a small proportion (1-10%) of the total population or occurrences or extent","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Small (1-10%)","displayValueEs":null,"displayValueFr":null,"displayOrder":4},"iucnThreatSeverity":{"id":2,"iucnThreatSeverityDescEn":"Serious: Likely to seriously degrade/reduce affected occurrences or habitat, or reduce  population 31-70%","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Serious or 31-70% pop. decline","displayValueEs":null,"displayValueFr":null,"displayOrder":2},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":10,"threatImpactCalcCd":"D","threatImpactCalcDescEn":"Low","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"D = Low","displayValueEs":null,"displayValueFr":null,"displayOrder":4}},{"elementGlobalThreatAssessId":53544,"iucnThreatCategory":{"id":10,"iucnThreatCategoryCd":"3","iucnThreatCategoryDescEn":"Energy production & mining","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"3 - Energy production & mining","displayValueEs":null,"displayValueFr":null,"displayOrder":240,"iucnThreat":"Y","parentThreatId":null,"iucnThreatLevel":1},"iucnThreatScope":{"id":4,"iucnThreatScopeDescEn":"Small: Affects a small proportion (1-10%) of the total population or occurrences or extent","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Small (1-10%)","displayValueEs":null,"displayValueFr":null,"displayOrder":4},"iucnThreatSeverity":{"id":2,"iucnThreatSeverityDescEn":"Serious: Likely to seriously degrade/reduce affected occurrences or habitat, or reduce  population 31-70%","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Serious or 31-70% pop. decline","displayValueEs":null,"displayValueFr":null,"displayOrder":2},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":10,"threatImpactCalcCd":"D","threatImpactCalcDescEn":"Low","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"D = Low","displayValueEs":null,"displayValueFr":null,"displayOrder":4}},{"elementGlobalThreatAssessId":53545,"iucnThreatCategory":{"id":12,"iucnThreatCategoryCd":"3.2","iucnThreatCategoryDescEn":"Mining & quarrying","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"3.2 - Mining & quarrying","displayValueEs":null,"displayValueFr":null,"displayOrder":260,"iucnThreat":"Y","parentThreatId":10,"iucnThreatLevel":2},"iucnThreatScope":{"id":4,"iucnThreatScopeDescEn":"Small: Affects a small proportion (1-10%) of the total population or occurrences or extent","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Small (1-10%)","displayValueEs":null,"displayValueFr":null,"displayOrder":4},"iucnThreatSeverity":{"id":2,"iucnThreatSeverityDescEn":"Serious: Likely to seriously degrade/reduce affected occurrences or habitat, or reduce  population 31-70%","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Serious or 31-70% pop. decline","displayValueEs":null,"displayValueFr":null,"displayOrder":2},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":10,"threatImpactCalcCd":"D","threatImpactCalcDescEn":"Low","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"D = Low","displayValueEs":null,"displayValueFr":null,"displayOrder":4}},{"elementGlobalThreatAssessId":53542,"iucnThreatCategory":{"id":19,"iucnThreatCategoryCd":"5","iucnThreatCategoryDescEn":"Biological resource use","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"5 - Biological resource use","displayValueEs":null,"displayValueFr":null,"displayOrder":330,"iucnThreat":"Y","parentThreatId":null,"iucnThreatLevel":1},"iucnThreatScope":{"id":3,"iucnThreatScopeDescEn":"Restricted: Affects some (11-30%) of the total population or occurrences or extent","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Restricted (11-30%)","displayValueEs":null,"displayValueFr":null,"displayOrder":3},"iucnThreatSeverity":{"id":3,"iucnThreatSeverityDescEn":"Moderate: Likely to moderately degrade/reduce affected occurrences or habitat, or reduce  population 11-30%","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Moderate or 11-30% pop. decline","displayValueEs":null,"displayValueFr":null,"displayOrder":3},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":10,"threatImpactCalcCd":"D","threatImpactCalcDescEn":"Low","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"D = Low","displayValueEs":null,"displayValueFr":null,"displayOrder":4}},{"elementGlobalThreatAssessId":53543,"iucnThreatCategory":{"id":22,"iucnThreatCategoryCd":"5.3","iucnThreatCategoryDescEn":"Logging & wood harvesting","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"5.3 - Logging & wood harvesting","displayValueEs":null,"displayValueFr":null,"displayOrder":360,"iucnThreat":"Y","parentThreatId":19,"iucnThreatLevel":2},"iucnThreatScope":{"id":3,"iucnThreatScopeDescEn":"Restricted: Affects some (11-30%) of the total population or occurrences or extent","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Restricted (11-30%)","displayValueEs":null,"displayValueFr":null,"displayOrder":3},"iucnThreatSeverity":{"id":3,"iucnThreatSeverityDescEn":"Moderate: Likely to moderately degrade/reduce affected occurrences or habitat, or reduce  population 11-30%","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Moderate or 11-30% pop. decline","displayValueEs":null,"displayValueFr":null,"displayOrder":3},"iucnThreatTiming":{"id":1,"iucnThreatTimingDescEn":"High: Continuing","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"High (continuing)","displayValueEs":null,"displayValueFr":null,"displayOrder":1},"threatImpactCalc":{"id":10,"threatImpactCalcCd":"D","threatImpactCalcDescEn":"Low","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"D = Low","displayValueEs":null,"displayValueFr":null,"displayOrder":4}}]}