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": ""}
    L mp  SLICACEAE SALIX PYRIFOLIA 5:w    [Pi3& CLAUDE E. GARTON  0YRS 1980-06-10 onario 1  1457328 7    malpighiales VO/ r      thunder bay |y    f canada pyrifolia :0   cBVFq ANDERSSON 1943O Rp `^   SALIX E89A   contact um herbarium  = 
{"catalogNumber": "1457328", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix pyrifolia", "scientificNameAuthorship": "Andersson", "genus": "Salix", "subgenus": "", "specificEpithet": "pyrifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Claude E. Garton", "recordNumber": "19430", "verbatimEventDate": "1980-06-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Thunder Bay", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}