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": ""}
  eeir sparganium   ca. 14 miles (by road) s of regan /me   Robert R. Hayne5 &     r66 abundant   X>b( 3957 TYPHACEAE rg x     aw Nutt.  sparganium americanum q`    c 1 972-07-21 Poales &0yI         fF= 1432943  
{"catalogNumber": "1432943", "order": "Poales", "family": "Typhaceae", "scientificName": "Sparganium americanum", "scientificNameAuthorship": "Nutt.", "genus": "Sparganium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert R. Haynes", "recordNumber": "3957", "verbatimEventDate": "1972-07-21", "habitat": "", "occurrenceRemarks": "abundant", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "ca. 14 miles (by road) S of Regan", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}