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": ""}
   w l.    1961-07-05 [r    KRv: Salx alba   L  -84.00539 United S2tates R      R7 9  res. 827     P:Q michigan     [Jm Salicaceae  LARGE TREE AT MARGIN OF SMALL KETTL3-MARSH, SURROUNDED BY A THICKET OF CORNUS SP. AND CEANOTHUS. D     j Jarl K. Hiltunen  b [e.s. george reserve] grid b-5.
{"catalogNumber": "", "order": "", "family": "Salicaceae", "scientificName": "Salix alba", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Jarl K. Hiltunen", "recordNumber": "Res. 827", "verbatimEventDate": "1961-07-05", "habitat": "Large tree at margin of small kettle-marsh, surrounded by a thicket of Cornus sp. And Ceanothus.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "[E.S. George Reserve] Grid B-5.", "decimalLatitude": "", "decimalLongitude": "-84.00539", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}