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": ""}
  I @e (A. Gray) D.J. Keil & C.E.  Turner       a ,  douglasii   ^w#8% United [States  @hO var.  sZ California john t. howell *l       Y?w HUMBOLDT  Asteraceae f/H%   asterales *wl  contact umherbarium r_m    o.< CIRSIUM  j! BuREWERI  3aI] 1937-07-31
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "(A. Gray) D.J. Keil & C.E. Turner", "genus": "Cirsium", "subgenus": "", "specificEpithet": "douglasii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "breweri", "identifiedBy": "", "recordedBy": "John T. Howell", "recordNumber": "", "verbatimEventDate": "1937-07-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "Humboldt", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}