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": ""}
 = UNITED STATES Anton A. Reznicek  =     1480687 POTAMOGETONACEAE o+   BT9 Occasional. POTAMOGETON BERCHTOLDII ;=!     -85.3843 -=NH   k GROWING SUBMERSED IN OPEN WATER MIXED WITH SUBMERSED AND FLOATING-LEAVED AQUATIC VEGETATION.   6G Michigan  Sl t;  berchtoldii   Potamogeton A6 )w  GARRETT E. CROW =QR   )8! ALISMATALES FIEBER Gh    IEY 10461  V)o kent  Gmfu9 oakfield twp., flat iron lake, ca. 9 miles east of rockford. 43.1238   ju  2011-08-02 C v4  
{"catalogNumber": "1480687", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton berchtoldii", "scientificNameAuthorship": "Fieber", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "berchtoldii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Garrett E. Crow", "recordNumber": "10461", "verbatimEventDate": "2011-08-02", "habitat": "growing submersed in open water mixed with submersed and floating-leaved aquatic vegetation.", "occurrenceRemarks": "Occasional.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kent", "municipality": "", "locality": "Oakfield Twp., Flat Iron Lake, ca. 9 miles east of Rockford.", "decimalLatitude": "43.1238", "decimalLongitude": "-85.3843", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}