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": ""}
  r United States  alismatales /H0  ALABAMA c6>Hd   Michx.      |OX MOBILE     americana (+     ^ Vallisneria S.N. t4e   ADAMS JEWETT O gPq  Mobile mZ#   k) 1842-05-23   ~r;  1337982  h  hydrocharitaceae   Vallisneria americana L  M   
{"catalogNumber": "1337982", "order": "Alismatales", "family": "Hydrocharitaceae", "scientificName": "Vallisneria americana", "scientificNameAuthorship": "Michx.", "genus": "Vallisneria", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Adams Jewett", "recordNumber": "s.n.", "verbatimEventDate": "1842-05-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alabama", "county": "Mobile", "municipality": "", "locality": "Mobile", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}