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": ""}
litchfield 2k0     j4 H. KARST. WOLFFIA Fg      ALISMATALES 4lXS      Z+%s UNITED STATES COLUMBIANA !JH6x  1909-09-06 Q    b 1662557    hyN CNNECTICUT  7 M. L. FERNALD      &$fVl s.n. near Dutcher's Bridge, Salisbury 2s59X  ) Araceae
{"catalogNumber": "1662557", "order": "Alismatales", "family": "Araceae", "scientificName": "", "scientificNameAuthorship": "H. Karst.", "genus": "Wolffia", "subgenus": "", "specificEpithet": "columbiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. L. Fernald", "recordNumber": "s.n.", "verbatimEventDate": "1909-09-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Connecticut", "county": "Litchfield", "municipality": "", "locality": "near Dutcher's Bridge, Salisbury", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}