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": ""}
  W5Ah (nL.) M. GÃ³mez   z[ persicaria   M contact um herbarium  canada # G8-      k persicaria pensylvanica  LV:zB MICHAEL J. OLDHAM, D. A. SUTHERLAND, J. JALAVA & D. CUDDY   21347b 8H-r   tB 1439299 POLYGONACEAE |Uv   caryophyllalXes ;]J       o pensylvanica    s Ontario
{"catalogNumber": "1439299", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria pensylvanica", "scientificNameAuthorship": "(L.) M. G\u00c3\u00b3mez", "genus": "Persicaria", "subgenus": "", "specificEpithet": "pensylvanica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham, D. A. Sutherland, J. Jalava & D. Cuddy", "recordNumber": "21347b", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}