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": ""}
 3a !c Sparganium emersum      POALES +x      VbUg TYPHACEAE   nx  emersum     -85.55569 h8U _    @h! 1938-07-21  Fred W. Rapp I(  OUTLET OF BARTON LAKE, VICKSBURG 9H   REHMANN w_4 X    1269423 uKB_H   _ kalamazoo
{"catalogNumber": "1269423", "order": "Poales", "family": "Typhaceae", "scientificName": "Sparganium emersum", "scientificNameAuthorship": "Rehmann", "genus": "", "subgenus": "", "specificEpithet": "emersum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Fred W. Rapp", "recordNumber": "", "verbatimEventDate": "1938-07-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Kalamazoo", "municipality": "", "locality": "Outlet of Barton Lake, Vicksburg", "decimalLatitude": "", "decimalLongitude": "-85.55569", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}