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": ""}
   $`~ Lynden B. Gerdes   MV united states     | 88 Potamogetonaceae 6692 &  1452506 zqSy   potamogeton nodosus [be p   la  Alismatales       ; POIR.  Potamogeton GJ0c<   CONTACT UM HERBARI UM !Ug    _ nodosus MINNESOTA Y&   
{"catalogNumber": "1452506", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton nodosus", "scientificNameAuthorship": "Poir.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "nodosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lynden B. Gerdes", "recordNumber": "6692", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Minnesota", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}