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": ""}
    1458931 %$g-v    p^kW hPOTAMOGETON  WILLIAM J. CRINS lg   w@  pusillus    *g Canada 1996-09-02 0 Q`      -Iv3 Potamogeton pusillus subsp. tenuissimvs   Y=;h- Muskoka tenu|ssimus GcgT  alismatales Lv ~     3]j:, OMTARIO  /  SUBSP. (mert. & w. d. j. koch) r. r. haynes & hellq. rF lA  Potamogetonaceae ?q>kP 
{"catalogNumber": "1458931", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton pusillus subsp. tenuissimus", "scientificNameAuthorship": "(Mert. & W. D. J. Koch) R. R. Haynes & Hellq.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "pusillus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "tenuissimus", "identifiedBy": "", "recordedBy": "William J. Crins", "recordNumber": "", "verbatimEventDate": "1996-09-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Muskoka", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}