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": ""}
Bouteloua gracilis NBBU   imarron v 3l   n>6  Poaceae   _J/ 4818  x P poales      m gracilis     ,]A Bouteloua    & oklahoma =A C. Marvin Rogers  - 8 unied states 1947-07-11 ?w      1406738 #t#T 
{"catalogNumber": "1406738", "order": "Poales", "family": "Poaceae", "scientificName": "Bouteloua gracilis", "scientificNameAuthorship": "", "genus": "Bouteloua", "subgenus": "", "specificEpithet": "gracilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. Marvin Rogers", "recordNumber": "4818", "verbatimEventDate": "1947-07-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Oklahoma", "county": "Cimarron", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}