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": ""}
  RnS4j howard s. gentry    shrub-gprassland in basaltic hills       o``% dalea SONORA 9%       dum(9 213 Dalea flava /#$      8u 4858   Y-$ 1154094  fPA 27.1609    Mexico   flava ^Q.Nk 
{"catalogNumber": "1154094", "order": "", "family": "", "scientificName": "Dalea flava", "scientificNameAuthorship": "", "genus": "Dalea", "subgenus": "", "specificEpithet": "flava", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Howard S. Gentry", "recordNumber": "4858", "verbatimEventDate": "", "habitat": "Shrub-grassland in basaltic hills", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Sonora", "county": "", "municipality": "", "locality": "", "decimalLatitude": "27.1609", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "213", "maximumElevationInMeters": ""}