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": ""}
  CRASSULA &&<:    Yfu 1940-05 16984 8K+b    cpS + crassulacapitella subsp. thyrsiflora   subsp. NG8   5d52 MICHIGAN   qtAs: United States  Saxif!ragales  rqh       s (THUNB.) TÃ¶LKEN Botanical Garden   Ro*    washtenaw w,V;0   ?:s thyrsiflora  (/ Y/ 1664981    e. u. clover
{"catalogNumber": "1664981", "order": "Saxifragales", "family": "", "scientificName": "Crassula capitella subsp. thyrsiflora", "scientificNameAuthorship": "(Thunb.) T\u00c3\u00b6lken", "genus": "Crassula", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "thyrsiflora", "identifiedBy": "", "recordedBy": "E. U. Clover", "recordNumber": "16984", "verbatimEventDate": "1940-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Botanical Garden", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}