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": ""}
   b poaceae   L 1937-09-15   &*  poales  ]. 1424740   FQ (torr.) a. gray Prescott K  7e   6 SPOROBOLUS   cryptandrus  $iA    a. r. purchase X6      sporobolus cryptandrus =Wbq   ARIZONA G   q&J united states 523 P9Ot  
{"catalogNumber": "1424740", "order": "Poales", "family": "Poaceae", "scientificName": "Sporobolus cryptandrus", "scientificNameAuthorship": "(Torr.) A. Gray", "genus": "Sporobolus", "subgenus": "", "specificEpithet": "cryptandrus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. R. Purchase", "recordNumber": "523", "verbatimEventDate": "1937-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "", "municipality": "", "locality": "Prescott", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}