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": ""}
  ];S POALES  purpurascens ;,   GEORGIA GIvk6   - ^DO POIR.   OPEN PINE WOODS 20 MILES SOUTH OF MADISON hc   arthur cronquist FQX7     aristida P<>d    , 1405638   1947-10-18  L1    `X V 183 United States N  Poaceae ZVp   0 PUTNAM   x aristida purpurasce ns 
{"catalogNumber": "1405638", "order": "Poales", "family": "Poaceae", "scientificName": "Aristida purpurascens", "scientificNameAuthorship": "Poir.", "genus": "Aristida", "subgenus": "", "specificEpithet": "purpurascens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Arthur Cronquist", "recordNumber": "", "verbatimEventDate": "1947-10-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Georgia", "county": "Putnam", "municipality": "", "locality": "Open pine woods 20 miles south of Madison", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "183", "maximumElevationInMeters": ""}