Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
   g* W of Hwy 83 about 1.5 kmi SW of W Va state lime on State Line Ridge, NE of Slate.  d|V.+ united states   =OX1 THOMAS F. WIEBOLDT   +x BUCHANAN    0A Poales VIRGINIA %q    carex nigromarginata r   CAREX 7nh   rnq 1380597  schwein. k 4o    sa nigromarginata  G% 8524 1993-05-20 w!Gt      
{"catalogNumber": "1380597", "order": "Poales", "family": "", "scientificName": "Carex nigromarginata", "scientificNameAuthorship": "Schwein.", "genus": "Carex", "subgenus": "", "specificEpithet": "nigromarginata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thomas F. Wieboldt", "recordNumber": "8524", "verbatimEventDate": "1993-05-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "Buchanan", "municipality": "", "locality": "W of Hwy 83 about 1.5 km SW of W Va state line on State Line Ridge, NE of Slate.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}