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": ""}
  Bhadwar, Punjab !Pd   willd. 4os   !o& EHRETIACEAE  ehreti4 G6  walter n. koelz oAB     1520081 `466       Z)m KANGRA    5?^ HIMACAL PRADESH   0~5 boraginales  EhU EHRETIA ASPERA   0 TxS 4290  INDIA aiO     ;Rk7 610
{"catalogNumber": "1520081", "order": "Boraginales", "family": "Ehretiaceae", "scientificName": "Ehretia aspera", "scientificNameAuthorship": "Willd.", "genus": "Ehretia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "4290", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "Kangra", "municipality": "", "locality": "Bhadwar, Punjab", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}