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": ""}
   Michigan B<sq$  United States %(d=   a< 43.3814  S.N. J+  ROSACEAE GK    M 1891-06-20  ^MA simplex  -84.64989 tt   GRATIOT n  +POTENTILLA SIMPLEX tat_S  ROSALES tEN       1467949 potentilla R     :GB michx.    charles a. davis  v  VG ALMA
{"catalogNumber": "1467949", "order": "Rosales", "family": "Rosaceae", "scientificName": "Potentilla simplex", "scientificNameAuthorship": "Michx.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "simplex", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles A. Davis", "recordNumber": "s.n.", "verbatimEventDate": "1891-06-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Gratiot", "municipality": "", "locality": "Alma.", "decimalLatitude": "43.3814", "decimalLongitude": "-84.64989", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}