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However, their overall impact is likely negligible given the species' broad range, large number of occurrences, tolerance of light disturbance, and affinity for typically abundant habitats, as well as no obvious intrinsic vulnerabilities.","shortTermTrendComments":null,"longTermTrendComments":"Considering the species' affinity for disturbed areas, it is possible that the species spread as a result of deforestation and land cultivation during the historic settlement of the eastern United States (FNA 2023).","inventoryNeeds":null,"numberProtEosComments":"Many occurrences are within national and state park, forests, wildlife refuges, and other protected areas.","protectionNeeds":null,"otherConsiderations":null,"intrinsicVulnerabilityComments":null,"enviromentalSpecificityComments":null},"animalCharacteristics":null,"occurrenceDelineations":[{"eoSpecsDetailId":128506,"locationUseClass":null,"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":"2020-02-25T16:02:24.389776Z"}],"plantCharacteristics":{"elementGlobalId":131135,"genusEconomicValue":true,"economicComments":null,"plantProductionMethods":[],"plantDurations":[{"plantCagDurationId":109311,"duration":{"id":3,"durationDescEn":"PERENNIAL","durationDescEs":"PERENNE","durationDescFr":"VIVACE","displayOrder":3}}],"plantEconomicUses":[{"plantCagEconomicUseId":100446,"economicUse":{"id":16,"economicUseDescEn":"MEDICINE/DRUG","economicUseDescEs":"MEDICAMENTOS/MEDICINAS","economicUseDescFr":"MÉDICATION/MÉDICAMENTS","displayOrder":16}}],"plantCommercialImportances":[]},"elementManagement":{"elementGlobalId":131135,"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":131878,"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":"2020-05-14T03:35:37.525296Z"}],"references":[{"id":1132919,"citation":"Flora of North America Editorial Committee (FNA). 2023. Flora of North America north of Mexico. Vol. 14. Magnoliophyta: Gentianaceae to Hydroleaceae. Oxford Univ. Press, New York. xxiv + 505 pp.","shortCitationAuthor":"FNA","shortCitationYear":2023,"referenceCode":"B23FNA14HQUS","lastModified":"2024-07-05T22:47:08.621491Z"},{"id":1149297,"citation":"Global Biodiversity Information Facility (GBIF). 2025. Global Biodiversity Information Facility (GBIF) data portal. Online. Available: https://www.gbif.org/ (accessed 2025).","shortCitationAuthor":"GBIF","shortCitationYear":2025,"referenceCode":"W25GBI01HQUS","lastModified":"2025-01-31T22:50:24.303678Z"},{"id":1149299,"citation":"iNaturalist. 2025. Online. Available: https://www.inaturalist.org (accessed 2025).","shortCitationAuthor":"iNaturalist","shortCitationYear":2025,"referenceCode":"W25INA01HQUS","lastModified":"2025-02-03T14:16:29.969137Z"},{"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":1152494,"citation":"<p>NatureServe's Rapid Analysis of Rarity and Endangerment Conservation Assessment Tool (RARECAT). 2025. Version: 2.1.1 (released April 04, 2025).</p>","shortCitationAuthor":"RARECAT","shortCitationYear":2025,"referenceCode":"W25NSR01HQUS","lastModified":"2025-04-04T22:11:27.25988Z"},{"id":1149298,"citation":"Southwest Environmental Information Network (SEINet). 2025. Collections Databases. Online. Available: https://swbiodiversity.org/seinet/collections/index.php (accessed 2025).","shortCitationAuthor":"SEINet","shortCitationYear":2025,"referenceCode":"W25SEI01HQUS","lastModified":"2025-02-03T14:30:37.809684Z"}],"otherCommonNames":[{"id":184069,"name":"Asclépiade commune","language":"FR"},{"id":121371,"name":"common milkweed","language":"EN"},{"id":115779,"name":"Common Milkweed","language":"EN"}],"speciesGlobal":{"elementGlobalId":131135,"cites":null,"cosewic":null,"fwsRegion":null,"genusSize":null,"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":108,"level1":"Plants","level2":"Vascular Plants - Flowering Plants","level3":"Dicots","level":3,"hasChildren":false,"parentId":106,"distributionStatus":"complete","displayOrder":5420},"parentSpecies":null,"infraspecies":false,"kingdom":"Plantae","phylum":"Anthophyta","taxclass":"Dicotyledoneae","taxorder":"Gentianales","family":"Apocynaceae","genus":"Asclepias","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":135665,"uniqueId":"ELEMENT_GLOBAL.2.135665","formattedScientificName":"<i>Asclepias syriaca</i> var. <i>kansana</i>","scientificName":"Asclepias syriaca var. kansana","primaryCommonName":"Common Milkweed","nsxUrl":null}],"ebarId":null,"ebarCanadianScope":false,"ebarGlobalScope":false,"ebarKbaGroup":"Vascular Plants","caGeneralStatusId":"GS004299"},"speciesCharacteristics":{"elementGlobalId":131135,"reproductionComments":null,"ecologyComments":"<i>Asclepias syriaca </i>grows in \"Flats, slopes, ridges, valleys, fields, meadows, pastures, ditches, pond and lake edges, marshes, bogs, fens, parks, urban lots, streamsides, swales, bluffs, sandhills, limestone, clay, silty, sandy, and rocky soils, prairies, forest openings and edges, riparian woods\" (FNA 2023).","habitatComments":"<i>Asclepias syriaca</i> grows in \"flats, slopes, ridges, valleys, fields, meadows, pastures, ditches, pond and lake edges, marshes, bogs, fens, parks, urban lots, streamsides, swales, bluffs, sandhills, limestone, clay, silty, sandy, and rocky soils, prairies, forest openings and edges, [and] riparian woods' (FNA 2023).","generalDescription":null,"diagnosticCharacteristics":null,"speciesMarineHabitats":[],"speciesTerrestrialHabitats":[{"cagTerrHabId":120089,"terrestrialHabitat":{"id":24,"terrestrialHabitatDescEn":"Forest Edge","terrestrialHabitatDescEs":"Lindero del bosque","terrestrialHabitatDescFr":"Bordure de forêt","displayOrder":5}},{"cagTerrHabId":120090,"terrestrialHabitat":{"id":7,"terrestrialHabitatDescEn":"Shrubland/chaparral","terrestrialHabitatDescEs":"Matorral/Chaparral","terrestrialHabitatDescFr":"Fruticée/Chaparral","displayOrder":9}},{"cagTerrHabId":120091,"terrestrialHabitat":{"id":9,"terrestrialHabitatDescEn":"Grassland/herbaceous","terrestrialHabitatDescEs":"Pastizales/cobertura herbácea","terrestrialHabitatDescFr":"Prairie/couverture herbacée","displayOrder":11}},{"cagTerrHabId":120092,"terrestrialHabitat":{"id":10,"terrestrialHabitatDescEn":"Old field","terrestrialHabitatDescEs":"Terreno 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HERBACÉE","displayOrder":2}},{"cagPalusHabId":115311,"palustrineHabitat":{"id":3,"palustrineHabitatDescEn":"SCRUB-SHRUB WETLAND","palustrineHabitatDescEs":"HUMEDAL DE MATORRALES","palustrineHabitatDescFr":"FRUTICÉE HUMIDE","displayOrder":3}},{"cagPalusHabId":115312,"palustrineHabitat":{"id":5,"palustrineHabitatDescEn":"Bog/fen","palustrineHabitatDescEs":"Pantanoso","palustrineHabitatDescFr":"Tourbière oligotrophe/marais","displayOrder":5}},{"cagPalusHabId":115313,"palustrineHabitat":{"id":6,"palustrineHabitatDescEn":"Riparian","palustrineHabitatDescEs":"Ribereño","palustrineHabitatDescFr":"Riverain","displayOrder":6}}],"speciesLacustrineHabitats":[],"speciesSubterraneanHabitats":[],"speciesEstuarineHabitats":[]},"primaryReference":{"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"},"predecessors":[],"elementGlobalThreatAssessments":[{"elementGlobalThreatAssessId":69944,"iucnThreatCategory":{"id":90,"iucnThreatCategoryCd":null,"iucnThreatCategoryDescEn":"Unknown/undetermined","iucnThreatCategoryDescEs":null,"iucnThreatCategoryDescFr":null,"displayValueEn":"Unknown/undetermined","displayValueEs":null,"displayValueFr":null,"displayOrder":2,"iucnThreat":"Y","parentThreatId":null,"iucnThreatLevel":null},"iucnThreatScope":{"id":10,"iucnThreatScopeDescEn":"Unknown","iucnThreatScopeDescEs":null,"iucnThreatScopeDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":11},"iucnThreatSeverity":{"id":10,"iucnThreatSeverityDescEn":"Unknown","iucnThreatSeverityDescEs":null,"iucnThreatSeverityDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":12},"iucnThreatTiming":{"id":10,"iucnThreatTimingDescEn":"Unknown","iucnThreatTimingDescEs":null,"iucnThreatTimingDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":10},"threatImpactCalc":{"id":15,"threatImpactCalcCd":"U","threatImpactCalcDescEn":"Unknown","threatImpactCalcDescEs":null,"threatImpactCalcDescFr":null,"displayValueEn":"Unknown","displayValueEs":null,"displayValueFr":null,"displayOrder":9}}]}