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": ""}
 1972-05-20 pz0  occasional shrub, or small tree on higher grond in swamp forest. T6t   y near battle creek river, bellevue twp., ca. 2 mi. e. of bellevue. cornalesS H  42.443323 t   -84.978795  8F   L. *T)B     cornusflorida IxSG  1473887  uU!w   )<! ^ florida Cornaceae uPU   Edward G. Voss bEJ  Cornus `Qe(J    %S A UNITED STATES    Michigan W  EATON ,  13806 @  
{"catalogNumber": "1473887", "order": "Cornales", "family": "Cornaceae", "scientificName": "Cornus florida", "scientificNameAuthorship": "L.", "genus": "Cornus", "subgenus": "", "specificEpithet": "florida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "13806", "verbatimEventDate": "1972-05-20", "habitat": "Occasional shrub, or small tree on higher ground in swamp forest.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Eaton", "municipality": "", "locality": "Near Battle Creek River, Bellevue Twp., ca. 2 mi. E. of Bellevue.", "decimalLatitude": "42.443323", "decimalLongitude": "-84.978795", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}