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": ""}
  O&7 asteraceae  lahaul and spiti jAj  ladarse, spiti, kangra, punjab G Z   1933-09-05 FZ8   _I| (Pamp.) Pamp.  @INDIA SAUSSUREA NANA >T2XP       BZ 1539370   Saussurea `v  NANA ]w     y q walter n. koelz   WA<  asterales   himachal pradesh x l J
{"catalogNumber": "1539370", "order": "Asterales", "family": "Asteraceae", "scientificName": "Saussurea nana", "scientificNameAuthorship": "(Pamp.) Pamp.", "genus": "Saussurea", "subgenus": "", "specificEpithet": "nana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1933-09-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "Lahaul and Spiti", "municipality": "", "locality": "Ladarse, Spiti, Kangra, Punjab", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}