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": ""}
United States 4    `  Rosaceae   K/z 1934-08-13  2 L.  Menominee wu$g#  county park at fox. ;rt7   SANDxY BEACH. ,   VBV Michigan   45.46667 f b+  prunus pumila W<>  1468308 4p   7015 ?Z4    7 prunus  #  PUMILA   7B CARL O. GRASSL  A rosales   -`87.26667 f[G 
{"catalogNumber": "1468308", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus pumila", "scientificNameAuthorship": "L.", "genus": "Prunus", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "7015", "verbatimEventDate": "1934-08-13", "habitat": "Sandy beach.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Menominee", "municipality": "", "locality": "County park at Fox.", "decimalLatitude": "45.46667", "decimalLongitude": "-87.26667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}