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": ""}
 L6GN sand dunes.  g  No named locality for catalog no:1468285 Michigan  7   1468285 Fup  RONSACEAE [   mRc HURON    ct UNITED STATES     3 s.n.   l;_4 prunus pumila   x= 6 harles a. davis   EY| prunus rosales       1901-06-09 vo(x  L. i%    pumila L#. 
{"catalogNumber": "1468285", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus pumila", "scientificNameAuthorship": "L.", "genus": "Prunus", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles A. Davis", "recordNumber": "s.n.", "verbatimEventDate": "1901-06-09", "habitat": "Sand dunes.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Huron", "municipality": "", "locality": "No named locality for catalog no:1468285", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}