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 1974-06-23   Malpighiales 4w i    CONTACT UM HERBARIUM fQ    Syv SALIX PLANIFOLIA  IIQ1N planifolia  ?H PURSH  ]l-rF Kenora  d Salix     Ontario  D4^   Salicaceae DlZ;4     c  21668  
{"catalogNumber": "", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix planifolia", "scientificNameAuthorship": "Pursh", "genus": "Salix", "subgenus": "", "specificEpithet": "planifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "21668", "verbatimEventDate": "1974-06-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Kenora", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}