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": ""}
1938-O9-16 M  MICHIGAN    2814-1 ;]v  orth of "Mudh0le"a Vicksburg %n     ^ D*m VAR. FRED W. RAPP QiM      2e 5 KALAMAZOO 1483945 3 N5     GLANDULIFERA S 52      R united states    Z betula pumila var. glandulifera   `G REGEL  
{"catalogNumber": "1483945", "order": "", "family": "", "scientificName": "Betula pumila var. glandulifera", "scientificNameAuthorship": "Regel", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "glandulifera", "identifiedBy": "", "recordedBy": "Fred W. Rapp", "recordNumber": "2814-1", "verbatimEventDate": "1938-09-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kalamazoo", "municipality": "", "locality": "North of \"Mudhole\" Vicksburg", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}