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": ""}
 1406492 nGcs     jDB 6451  E.U. CLOVER /.G   (KUNTH) GRISEB.  n     bouteloua si a  MOHAVE l`U/     < mouth of grand wa5h arizona V A  united states Q 7,    ( BOUTELOUA ARISTIDOIDES  w POALES   aristidoides +-e|    n<o7u 1941-04
{"catalogNumber": "1406492", "order": "Poales", "family": "", "scientificName": "Bouteloua aristidoides", "scientificNameAuthorship": "(Kunth) Griseb.", "genus": "Bouteloua", "subgenus": "", "specificEpithet": "aristidoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E.U. Clover", "recordNumber": "6451", "verbatimEventDate": "1941-04", "habitat": "Mouth of grand wash", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "Mohave", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}