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 richardsonii 2A/    w& richardsonii 1441398 f  (A. Benn.) Rydb. XU     #=_h canada ALISMATALES Z$^   ZE*+ Contact UM Herbarium    Potamogetonaceae &   i POTAMOGETON    1983-07-13  .5)E   `~@+ 811 thunder :bay ht=D  JOHN V. FREUDENSTEIN )Ax   ONTARIO w  
{"catalogNumber": "1441398", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton richardsonii", "scientificNameAuthorship": "(A. Benn.) Rydb.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "richardsonii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "811", "verbatimEventDate": "1983-07-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Thunder Bay", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}