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": ""}
  x ] 42.267467 Potentilla ml   IV potentilla argentea    MI?! michigan rosales o    s ann arbor; from geddes ave. to speechler's woods.        argentea PE~r   z road.  Washenaw  /  ROSACEAE 9>  1481924 /   ;6Fl FREDERICK J. HERMANN  I L.  1189  eIl_ 
{"catalogNumber": "1481924", "order": "Rosales", "family": "Rosaceae", "scientificName": "Potentilla argentea", "scientificNameAuthorship": "L.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "argentea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick J. Hermann", "recordNumber": "1189", "verbatimEventDate": "", "habitat": "Road.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor; from Geddes Ave. to Speechler's Woods.", "decimalLatitude": "42.267467", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}