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^ 42.68833   o RUTACEAE        Zabnthoxylum americanum mPG   aY> V MILL.  americamum D    lgC zanthoxylum  T irving twp. Michiqgan -Ktx          v 1483813  9 2555  #U Barry  lAq6 1979-08-15
{"catalogNumber": "1483813", "order": "", "family": "Rutaceae", "scientificName": "Zanthoxylum americanum", "scientificNameAuthorship": "Mill.", "genus": "Zanthoxylum", "subgenus": "", "specificEpithet": "americanum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2555", "verbatimEventDate": "1979-08-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Barry", "municipality": "", "locality": "Irving Twp.", "decimalLatitude": "42.68833", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}