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": ""}
  Em/ John H. rEhlers & Lois S. Ehlers   tqn 1405429       ARISTIDA      ARISTIDA HAMULOSA SthI^   $ United States   Poales #    m( Arizona  g POACEAE   bd pima    SALINA CANYON ROAD. FOOTHILLS OF SANTA CATALINA MTS.,; TUCSON. 1939-04-29 obe~%  7400 QY?_  
{"catalogNumber": "1405429", "order": "Poales", "family": "Poaceae", "scientificName": "Aristida hamulosa", "scientificNameAuthorship": "", "genus": "Aristida", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers & Lois S. Ehlers", "recordNumber": "7400", "verbatimEventDate": "1939-04-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "Pima", "municipality": "", "locality": "Salina Canyon Road. Foothills of Santa Catalina Mts., Tucson.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}