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": ""}
 &z elaeagnaceae united states YU    (l.) nutt. 6E6 c   E eAF Rosales       Tj>J: SHEPHERDIA  ]41 CHARLOTTE S.N. p x  WCHITTENDEN 9   Vermont j U=   OPS8 1878-06-13  y:Sy  canadensis   5w2;  1507983  H shepherdia canadenss   X e GRPM 42081    
{"catalogNumber": "1507983", "order": "Rosales", "family": "Elaeagnaceae", "scientificName": "Shepherdia canadensis", "scientificNameAuthorship": "(L.) Nutt.", "genus": "Shepherdia", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1878-06-13", "habitat": "", "occurrenceRemarks": "GRPM 42081", "associatedTaxa": "", "country": "United States", "stateProvince": "Vermont", "county": "Chittenden", "municipality": "", "locality": "Charlotte", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}