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": ""}
   ec2Z& IRIDACEAE      1894-05  g j#   MOUNTAINS, E. TENNESEE. *D       @^H albert ruth  IRIS CRISTAA /F4#    Asparagales C  United States R*h   ~ TENNESSEE  <y IRIS  RAV [ polk   
{"catalogNumber": "", "order": "Asparagales", "family": "Iridaceae", "scientificName": "Iris cristata", "scientificNameAuthorship": "", "genus": "Iris", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Albert Ruth", "recordNumber": "", "verbatimEventDate": "1894-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Tennessee", "county": "Polk", "municipality": "", "locality": "Mountains, E. Tennesee.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}