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": ""}
  <Um (elliott) small caryophyllales WD]    ?c 8610   Polygonaceae , vh    punctata Nn  canada D    V contact um herbarum    Persicaria K  1439442      &O ONTARIO 1991-c08-04 PBY  MUSKOKA /H;jM   William J. Crins    persicaria punctata mV6W   
{"catalogNumber": "1439442", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria punctata", "scientificNameAuthorship": "(Elliott) Small", "genus": "Persicaria", "subgenus": "", "specificEpithet": "punctata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William J. Crins", "recordNumber": "8610", "verbatimEventDate": "1991-08-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Muskoka", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}