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": ""}
  @r`] 1906-08-01 EN3RSUM h*        A. DACHNOWSKI SPARG4NIUM EMERSUM aLRg  marquette Ns/8   gq -87.451313   iH michigan  d cJ Dead River   1269421 DUe9   pIU( 46.57 1197 Rehmann     nited states `^y H     Poales -  SPARGANIUM |DG]  near shore. outer zone  w    TYPHACEAE hX<-Z  
{"catalogNumber": "1269421", "order": "Poales", "family": "Typhaceae", "scientificName": "Sparganium emersum", "scientificNameAuthorship": "Rehmann", "genus": "Sparganium", "subgenus": "", "specificEpithet": "emersum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Dachnowski", "recordNumber": "", "verbatimEventDate": "1906-08-01", "habitat": "near shore. outer zone", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Marquette", "municipality": "", "locality": "Dead River", "decimalLatitude": "46.571197", "decimalLongitude": "-87.451313", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}