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": ""}
  4 Sparganium emersum  b Carl O. Grassl  x TYPHACEAxE  -88.33402 1      Ei 6773 134-08-07 JR  emersum qPu    X At edge of Mud Lake poales qY1      m 5*N Rehmann   %)hV 1269372   3 t 46.09801 United States `)dS   QS  Near Crystal F3alls  X x&| IRON  Sparganium   2  
{"catalogNumber": "1269372", "order": "Poales", "family": "Typhaceae", "scientificName": "Sparganium emersum", "scientificNameAuthorship": "Rehmann", "genus": "Sparganium", "subgenus": "", "specificEpithet": "emersum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "6773", "verbatimEventDate": "1934-08-07", "habitat": "At edge of Mud Lake", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Iron", "municipality": "", "locality": "Near Crystal Falls", "decimalLatitude": "46.09801", "decimalLongitude": "-88.33402", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}