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": ""}
UNITED STATES &NQ    6< L. H. Bailey POACEAE& $uq+%   I?  Tridens    -- S.N.    16940-07 &md      l Y flavus |CONTACT UM HERBARIUM s      @bN Illinois 1425458 PnG5|   (l.) hitchc. <rgp3   ;2 MASSAC  fr *  TRIDENS FLAVUS poales ro-s 
{"catalogNumber": "1425458", "order": "Poales", "family": "Poaceae", "scientificName": "Tridens flavus", "scientificNameAuthorship": "(L.) Hitchc.", "genus": "Tridens", "subgenus": "", "specificEpithet": "flavus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L. H. Bailey", "recordNumber": "s.n.", "verbatimEventDate": "1940-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "Massac", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}