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": ""}
      owA9 palustris    ; United States   R]a% 1991-O6-08  ~G caltha palustris r k8Q Round Island on W side of Island.  RVp 1344844      U8| MACKINAC  y L. edward g. voss 5 :    XU MICHIGAN  #i lc 45.82918  CALTHA Uz  16159 ;:(  
{"catalogNumber": "1344844", "order": "", "family": "", "scientificName": "Caltha palustris", "scientificNameAuthorship": "L.", "genus": "Caltha", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "16159", "verbatimEventDate": "1991-06-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "Round Island on W side of Island.", "decimalLatitude": "45.82918", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}