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": ""}
  v RHYNCHOSPORA ALBA  Ontario VSPw  91-75 UsK         lh=A EXPERIMENTAL LAKES AREA, KENORA, LAKE 632.  (L.) VAHL u*           1| W 49Â° 40' N 93Â° 44' W    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Rhynchospora alba", "scientificNameAuthorship": "(L.) Vahl", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "91-75", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Experimental Lakes Area, Kenora, Lake 632.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "49\u00c2\u00b0 40' N 93\u00c2\u00b0 44' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}