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": ""}
 $ united tates  SR SESSILIFLORA   rorippa sessiliflora te    Whx 1432548     b.c. tharp U_:.4     Ob (nutt.) hitchc.  AUSTIN gc/^N   Brassicaceae uDq   texas j#_[   RORIPPA I`Uz   P[ q@ S.N.   % travis  d?c8 1937-10-02  #rOb brassicales
{"catalogNumber": "1432548", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Rorippa sessiliflora", "scientificNameAuthorship": "(Nutt.) Hitchc.", "genus": "Rorippa", "subgenus": "", "specificEpithet": "sessiliflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "B.C. Tharp", "recordNumber": "s.n.", "verbatimEventDate": "1937-10-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Travis", "municipality": "", "locality": "Austin", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}