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": ""}
  j Michx.  RPvn Potentilla   Pb alcona  6j simplex along edge of miachaud rd. F^m    198l3-06-|1 6O  1467988 bqJ     l85WF 44.533204  482 t:ND2  michigan kg    UNTED STATES <B   >5X frequent in dry sandy area    A8l rosales    _a ROSACEAE john v. freudenstein /     potentilla simplex  $$ S  -83.45219
{"catalogNumber": "1467988", "order": "Rosales", "family": "Rosaceae", "scientificName": "Potentilla simplex", "scientificNameAuthorship": "Michx.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "simplex", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "482", "verbatimEventDate": "1983-06-11", "habitat": "Frequent in dry sandy area", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Alcona", "municipality": "", "locality": "Along edge of Miachaud Rd.", "decimalLatitude": "44.533204", "decimalLongitude": "-83.45219", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}