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": ""}
    f2 carex   V*+ John B. Nelson    United States k  poales -R%)ZZ     &=U Cyper4ceae   6F south carolina    . SUPERATA   17959 k  1388838 qT8*    CAREX SUPERATA U<XV    EDGEFIELD dG 
{"catalogNumber": "1388838", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex superata", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "superata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John B. Nelson", "recordNumber": "17959", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Carolina", "county": "Edgefield", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}