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": ""}
 nutt. =+      Barnstable  4#@mH sparganium   1922-09-06 P ?~=  HARWICH, N3AR JOHN JOSEPH POND gU)      ( ^N~ s.n. United States zW;     sparganium americanum 9L NK  1432946 ;&6IY     / peaty slough poales *az0   massachus%etts eTam  americanum  |kw%   
{"catalogNumber": "1432946", "order": "Poales", "family": "", "scientificName": "Sparganium americanum", "scientificNameAuthorship": "Nutt.", "genus": "Sparganium", "subgenus": "", "specificEpithet": "americanum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1922-09-06", "habitat": "peaty slough", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Barnstable", "municipality": "", "locality": "Harwich, near John Joseph Pond", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}