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": ""}
  Salsola tragus Af     P 1896-05-23     ` kent  Wealthy Ave. x Y    ZOBy Amaranthaceae  ,JoFU CARYOPHYLLALES United States h  S.N.  2    tragus i= +   %E> 1479287   w. earle mulliken 4*=  L. K   Salsola b:z4G 
{"catalogNumber": "1479287", "order": "Caryophyllales", "family": "Amaranthaceae", "scientificName": "Salsola tragus", "scientificNameAuthorship": "L.", "genus": "Salsola", "subgenus": "", "specificEpithet": "tragus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. Earle Mulliken", "recordNumber": "s.n.", "verbatimEventDate": "1896-05-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Kent", "municipality": "", "locality": "Wealthy Ave.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}