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": ""}
 gR  S.N.       D6<R shepherdia  d NtI CULTIVATED         (Pursh) Nutt. Hs_X1   n7  BERKSHIRE    42.6847 ~I<ky   0n^D ARGENTEA    Elaeagnaceae Tlbg  
{"catalogNumber": "", "order": "", "family": "Elaeagnaceae", "scientificName": "", "scientificNameAuthorship": "(Pursh) Nutt.", "genus": "Shepherdia", "subgenus": "", "specificEpithet": "argentea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Cultivated", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Berkshire", "municipality": "", "locality": "", "decimalLatitude": "42.6847", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}