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": ""}
    b@9]W subsp.  L john k. morton  c~tf na 6629 Canada r   awgKK FOLIOSUS    foliosus 5V   POTAMOGETONACEAE 6    g ALISMATALES potamogeton foliosvs subsp. foliosus iic&           Potamogeton A]  
{"catalogNumber": "", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton foliosus subsp. foliosus", "scientificNameAuthorship": "", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "foliosus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "foliosus", "identifiedBy": "", "recordedBy": "John K. Morton", "recordNumber": "NA 6629", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}