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": ""}
 &= RUDBECKIA LACINIATA VAR. LACINIATA   F 1906-08-06    f. -86.17607  1256416 IKxUV   dAn FRANK C. GA7ES    G asteraceae  gz9x catss       1472 (#EM        o UNITED STATES  Y,# michigan  HX? rudbeckia 
{"catalogNumber": "1256416", "order": "", "family": "Asteraceae", "scientificName": "Rudbeckia laciniata var. laciniata", "scientificNameAuthorship": "", "genus": "Rudbeckia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frank C. Gates", "recordNumber": "1472", "verbatimEventDate": "1906-08-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cass", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-86.17607", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}