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": ""}
     Occasional at edge of Thuja swamp. kx     4 UNITED STTES john v. freudenstein u      1983-05-14 -   -83.51277 90; B       t24n r8e sec 6 ~ _Y    gefV IOSCO  PETASITES FRIGIDUS VAR. PALMATUS Z!D%g  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Petasites frigidus var. palmatus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "", "verbatimEventDate": "1983-05-14", "habitat": "Occasional at edge of Thuja swamp.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Iosco", "municipality": "", "locality": "T24N R8E Sec 6", "decimalLatitude": "", "decimalLongitude": "-83.51277", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}