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": ""}
   =^@A- 1951-07-07 potentilla *JS]    Jk+X 1467978  Potentilla simplex f~ *s     G t26n r2e sec. 30 Michx.  W=X   u[* 44.616  YZ/ ROSACEAE    MICHIGAN 1>     -84.24103 Yc   dale a. zimmerman Nimc    
{"catalogNumber": "1467978", "order": "", "family": "Rosaceae", "scientificName": "Potentilla simplex", "scientificNameAuthorship": "Michx.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dale A. Zimmerman", "recordNumber": "", "verbatimEventDate": "1951-07-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "T26N R2E Sec. 30", "decimalLatitude": "44.616", "decimalLongitude": "-84.24103", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}