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": ""}
      1960-08-27 .    r 1263240    VuZfo quercus potosina  d fagaceae   Mexico fa~   potosina ^ F&   jerzy rzeidowski ^~Y!  AGUASCALIENTES 9G  Quercus u;RR        
{"catalogNumber": "1263240", "order": "", "family": "Fagaceae", "scientificName": "Quercus potosina", "scientificNameAuthorship": "", "genus": "Quercus", "subgenus": "", "specificEpithet": "potosina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Jerzy Rzedowski", "recordNumber": "", "verbatimEventDate": "1960-08-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Aguascalientes", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}