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": ""}
 ? f*0 walter n. koez     $ kangra    .;aRO ASTERACEAE  +-NhO HIMACHAL PRADESH   |zro 610 India K,T   asterales ,kT9.  dc. Z;u?  4279  G    ` % BHADWAR, PUNJAB SERRATULA PALLIDA M   21  1539491  $x%; 1933-04-25 Serratula X.N       gB pallida
{"catalogNumber": "1539491", "order": "Asterales", "family": "Asteraceae", "scientificName": "Serratula pallida", "scientificNameAuthorship": "DC.", "genus": "Serratula", "subgenus": "", "specificEpithet": "pallida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "4279", "verbatimEventDate": "1933-04-25", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "Kangra", "municipality": "", "locality": "Bhadwar, Punjab", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}