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": ""}
   WKPVz CAREYI 20432  ;  michael j. oldham eO M  Peterborough  c    UN Canada   CONTACT UM HERBARIUM xi    1438807 Gdhh  Caryophyllales ria9  Persicaria careyi WMT3E    [ E PERSICARIA  Z8 POLYGONACE4E    xz0OOntario     r,w (Olney) Greene 
{"catalogNumber": "1438807", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria careyi", "scientificNameAuthorship": "(Olney) Greene", "genus": "Persicaria", "subgenus": "", "specificEpithet": "careyi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "20432", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Peterborough", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}