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": ""}
 POTAMOGETON <U   Y -84.40327     1i Potamogeton foliosus      vandercook lake. aW     anton a. reznicek ,   [= Potamogetonaceae    17vF. Alismatales  1893-08-20 j9S   w[:v raf.     !u UNITED STA;TES
{"catalogNumber": "", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton foliosus", "scientificNameAuthorship": "Raf.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1893-08-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Vandercook Lake.", "decimalLatitude": "", "decimalLongitude": "-84.40327", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}