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": ""}
SALIX GLAUCA VAR. ACUTIFOLIA t]W       glauca l   United States a%z  CONTACT UM HERBARIUM ?    nG  Salix     fU2 ACUTIFOLIA   y=^ ALASKA      var. `gkC     759! 1455720   
{"catalogNumber": "1455720", "order": "", "family": "", "scientificName": "Salix glauca var. acutifolia", "scientificNameAuthorship": "", "genus": "Salix", "subgenus": "", "specificEpithet": "glauca", "verbatimTaxonRank": "var.", "infraspecificEpithet": "acutifolia", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}