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 z$  cornales S+`*D   @CfBQ 43.257823  T L.  R  United States  Rich, mesic hardwoods on sandy soil. @Kp     cornus `  "Scarce trees up to ca. 5 m. tall in one part of woods, flowers abundant, bracts white" WQ   # cornaceae ca. 10 miles |S. of Saginaw. W]5OQ%  Saginaw ;@:   -)  FLORIDA   6_V@ 1987-05-06  ` 7865 wanton a. reznicek N!   Nb j -83.923333  PlS CORNUS FLORIDA   IuG1 1473930
{"catalogNumber": "1473930", "order": "Cornales", "family": "Cornaceae", "scientificName": "Cornus florida", "scientificNameAuthorship": "L.", "genus": "Cornus", "subgenus": "", "specificEpithet": "florida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "7865", "verbatimEventDate": "1987-05-06", "habitat": "Rich, mesic hardwoods on sandy soil.", "occurrenceRemarks": "\"Scarce trees up to ca. 5 m. tall in one part of woods, flowers abundant, bracts white\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Saginaw", "municipality": "", "locality": "ca. 10 miles S. of Saginaw.", "decimalLatitude": "43.257823", "decimalLongitude": "-83.923333", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}