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": ""}
 fW&jg 42.979436  1893-08-20        | 4J MICHIGAN cernua #    ~g -85.375641      . EARL E. SHERFF     n 1259116      bidens 4_LZ`    lx t Asteraceae 
{"catalogNumber": "1259116", "order": "", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Bidens", "subgenus": "", "specificEpithet": "cernua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Earl E. Sherff", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1893-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.979436", "decimalLongitude": "-85.375641", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}