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": ""}
 z potentilla argentea     4vN  982   JOHN H. EHLERS J     Mb -84.692961  roadside, sandy soil. |=   Q MICHIGAN  , Rosales 1196811 d$W   H Potentilla   t  1920-07-09 45.61599 # V i    F L.  Z27H Barbara Ertter & J.L. Reveal N of Douglas Lake. W#y/E      @V<]5 ROSACEAE ARGENTEA *) KF 
{"catalogNumber": "1196811", "order": "Rosales", "family": "Rosaceae", "scientificName": "Potentilla argentea", "scientificNameAuthorship": "L.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "argentea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Barbara Ertter & J.L. Reveal", "recordedBy": "John H. Ehlers", "recordNumber": "982", "verbatimEventDate": "1920-07-09", "habitat": "Roadside, sandy soil.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "N of Douglas Lake.", "decimalLatitude": "45.61599", "decimalLongitude": "-84.692961", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}