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": ""}
 &$ salicaceae CANADA A  (2 sheets) 4cA    ONTARIO HDT%?  contact um herbarium3 S    Andersson      1452426  ,|R  G.C. CunninDgham c   f salix amygdaloides     yw Malpighiales    :l amygdaloides ottawa ~     ^.rx s.n.  1955-06-05 ;  SALIX Z2+f 
{"catalogNumber": "1452426", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix amygdaloides", "scientificNameAuthorship": "Andersson", "genus": "Salix", "subgenus": "", "specificEpithet": "amygdaloides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "G.C. Cunningham", "recordNumber": "s.n.", "verbatimEventDate": "1955-06-05", "habitat": "", "occurrenceRemarks": "(2 sheets)", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Ottawa", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}