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": ""}
  BUCKS R   PARVIFLORA <    f# pennsylvania    (Poir.) KerguÃ©len X.O:      c. d. fretz *i?u  SETARIA PARVIFLORA Tm&    b n 279a 1921-08-23 I!  setaria gPt    1423773E _My    1 united states Poales =vPc  
{"catalogNumber": "1423773", "order": "Poales", "family": "", "scientificName": "Setaria parviflora", "scientificNameAuthorship": "(Poir.) Kergu\u00c3\u00a9len", "genus": "Setaria", "subgenus": "", "specificEpithet": "parviflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. D. Fretz", "recordNumber": "279a", "verbatimEventDate": "1921-08-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Pennsylvania", "county": "Bucks", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}