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  s8 Growing along shore o river.  62 Claude E. Garton  5iQ/ Island in Missinaibi Aiver downstream from Inland Water Survey Cabin, 6entles Twp.  ; 50.581403   1976-07-18 F~    Ptamogeton richardsonii I    u potamogetonaceae  5 ALISMATALES   pp> ontario   eI=qV 11459    COCHRANE xa/   RICHARDSONII  d3     (a. benn.) rydb. ^T+t 
{"catalogNumber": "", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton richardsonii", "scientificNameAuthorship": "(A. Benn.) Rydb.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "richardsonii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Claude E. Garton", "recordedBy": "", "recordNumber": "11459", "verbatimEventDate": "1976-07-18", "habitat": "Growing along shore of river.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Cochrane", "municipality": "", "locality": "Island in Missinaibi River downstream from Inland Water Survey Cabin, Gentles Twp.", "decimalLatitude": "50.581403", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}