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 @ Bi_   ALISMATALES y7    eCA POTAMOGETON RICHARDSONII  BENJAMIN F. CHANDLER  E+   %(` ~ river rouge       o MICHIGAN   Potaogetonaceae v  WAYNE `0Ao@     Hw, 1915-08-07  :zE (A. Benn.) Rydb.
{"catalogNumber": "", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton richardsonii", "scientificNameAuthorship": "(A. Benn.) Rydb.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Benjamin F. Chandler", "recordNumber": "", "verbatimEventDate": "1915-08-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Wayne", "municipality": "", "locality": "River Rouge", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}