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": ""}
 POTENTILLA ARGENTEA ao x     R L.     argentea EF2]  1/2 MI. S OF M-60 JONES. 6;*  United States T   41.896648 Q4  potentilla U .   o3 417 along sandy roadside. Aoto  Michigan     % barbara ertter & j.l. reveal  PFBI 1940-06-12 CASS 3 M   betty m. robertson Dk   YB)A& 1196785 rosales l  rosaceae  #2b  
{"catalogNumber": "1196785", "order": "Rosales", "family": "Rosaceae", "scientificName": "Potentilla argentea", "scientificNameAuthorship": "L.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "argentea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Barbara Ertter & J.L. Reveal", "recordedBy": "Betty M. Robertson", "recordNumber": "417", "verbatimEventDate": "1940-06-12", "habitat": "Along sandy roadside.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cass", "municipality": "", "locality": "1/2 mi. S of M-60 Jones.", "decimalLatitude": "41.896648", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}