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": ""}
along north margin of mud ("blanchard") lake, sec. 21, hebron tp. m!Qi   w  sparganium emersum   +C# UNITED STATES 1701 m 9 C   5 n "ATYPICAL, NONE OF THE HEADS SUPRA-AX|LLARY." MICHIGAN P   ouZ) SPARGANIUM cheboygan fyYv    (e S) 1476688  ( infrequent in mud      b7g-t EMERSUM  C TYPHACEAE R3hmann -gnk   EDWARD G. VOSS    POALES      1953-07-23 fe4   
{"catalogNumber": "1476688", "order": "Poales", "family": "Typhaceae", "scientificName": "Sparganium emersum", "scientificNameAuthorship": "Rehmann", "genus": "Sparganium", "subgenus": "", "specificEpithet": "emersum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "1701", "verbatimEventDate": "1953-07-23", "habitat": "infrequent in mud", "occurrenceRemarks": "\"Atypical, none of the heads supra-axillary.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "along north margin of Mud (\"Blanchard\") Lake, sec. 21, Hebron Tp.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}