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": ""}
 dk`# s.n. austin *t]         > u Colorado River silt  CRASSULA DRUMMONDII o   ^<  drummondii    Crassulaceae Q bJA   bY 1664930   pwle+ Crasula   n united states   nzC[ saxifragales    (Torr. & A. Gray) Fedde dV7%   =-x  texas
{"catalogNumber": "1664930", "order": "Saxifragales", "family": "Crassulaceae", "scientificName": "Crassula drummondii", "scientificNameAuthorship": "(Torr. & A. Gray) Fedde", "genus": "Crassula", "subgenus": "", "specificEpithet": "drummondii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Colorado River silt", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "Austin", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}