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": ""}
persicaria $;            vK6G 21258     Dl`#N peterborogh     hHZrC 1438862 caryophyllales  9  MICHAEL J. OLDHAM, M. AUSTEN, H. GODSCHALK & J. PULFER 6  Canada 5    z7F polygonaceae (L.) Spach (B:    HYDROPIPERP 6   
{"catalogNumber": "1438862", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "", "scientificNameAuthorship": "(L.) Spach", "genus": "Persicaria", "subgenus": "", "specificEpithet": "hydropiper", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham, M. Austen, H. Godschalk & J. Pulfer", "recordNumber": "21258", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Peterborough", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}