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": ""}
 ym*   CORNUS CANADENSIS     Michigan 1920-09-10 ^Gv r    John H. Ehlers =;X        & | CORNACEAE  7P =n 1473845  D CORNALES  1389 =`v   va9 united states CORNUS  :Ts=   mlH CANADENSIS  9 ]L 45.979551     * -84.20133  CAn NEAR SCOTTY BAY. MACKINAC %    THUJA SWAMP. U 
{"catalogNumber": "1473845", "order": "Cornales", "family": "Cornaceae", "scientificName": "Cornus canadensis", "scientificNameAuthorship": "", "genus": "Cornus", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1389", "verbatimEventDate": "1920-09-10", "habitat": "Thuja swamp.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "Near Scotty Bay.", "decimalLatitude": "45.979551", "decimalLongitude": "-84.20133", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}