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": ""}
  ~~w| Florida        (retz.) koeler pw   Contact UM Herbarium &6  8487 x&  CILIARIS  EoKd  POALES 5   1974-01-15 CK      lee m=  Poacea X   *=fI United States  DIGITARIA CILIARIS oo    1Bu w. c. brumbach oigitaria z.  
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Digitaria ciliaris", "scientificNameAuthorship": "(Retz.) Koeler", "genus": "Digitaria", "subgenus": "", "specificEpithet": "ciliaris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. C. Brumbach", "recordNumber": "8487", "verbatimEventDate": "1974-01-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Lee", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}