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": ""}
  ^Wq Potamogeton   nrX alismatales  m 1955-09-07           fuzzy lake C  Van Buren 7N  -85.814863 a j LM    o robbinsii  @1r+ 1281810  MICHIGAN CU/Jx  United States 4    Oakes sd=u  42.131442  ~H 
{"catalogNumber": "1281810", "order": "Alismatales", "family": "", "scientificName": "", "scientificNameAuthorship": "Oakes", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "robbinsii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1955-09-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Van Buren", "municipality": "", "locality": "Huzzy Lake", "decimalLatitude": "42.131442", "decimalLongitude": "-85.814863", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}