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": ""}
 4W :y Ontario PETIOLARIS ^Z   CANADA ^y+    1457006 gA ^e   1ZH Salix petiolaris  =n salicaceae       )  Sm.       ,? claude e. garton    * G.W. ARGUS  MALPIGHIALES tW   
{"catalogNumber": "1457006", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix petiolaris", "scientificNameAuthorship": "Sm.", "genus": "", "subgenus": "", "specificEpithet": "petiolaris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "G.W. Argus", "recordedBy": "Claude E. Garton", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}