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": ""}
  r-`K WHEELERI CIRSIUM      c0 CIRSIUM WHEELERI    : Asteraceae   ARIZONA [      F5 Contact UM Herbariu Howard Scott Gentry nB%R   united state5 L l     J3c (A. Gray) Petrak Asterales ZC)      < 1442398  T 1937-09  
{"catalogNumber": "1442398", "order": "Asterales", "family": "Asteraceae", "scientificName": "Cirsium wheeleri", "scientificNameAuthorship": "(A. Gray) Petrak", "genus": "Cirsium", "subgenus": "", "specificEpithet": "wheeleri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Howard Scott Gentry", "recordNumber": "", "verbatimEventDate": "1937-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}