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": ""}
 ~ Contact UM Herbarium    `Vl malpighiales   qf7+X 1967-06-20  3?$ var.    D*ef d.w. harri~s, a.a. reznic ek, r.s.w. bobbette      [Apzs a. gray          * palustriformis    Z-RpN VIOLA BLANDA VAR. PALUSTRIFORMIS  ] ontario
{"catalogNumber": "", "order": "Malpighiales", "family": "", "scientificName": "Viola blanda var. palustriformis", "scientificNameAuthorship": "A. Gray", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "palustriformis", "identifiedBy": "", "recordedBy": "D.W. Harris, A.A. Reznicek, R.S.W. Bobbette", "recordNumber": "", "verbatimEventDate": "1967-06-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}