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": ""}
   ? LEROY H. HARVEY       NEL5ONII jGN`   ACHNATHERUM Wy  (SCRIBN.) BARKWORTH 3  united states F;F   L+ Montana   v Vicinity of Pols0n Poaceae -+  4396 x%Kf     Achnatherum nels0ni| 7|    m. barkworth G6V14  
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Achnatherum nelsonii", "scientificNameAuthorship": "(Scribn.) Barkworth", "genus": "Achnatherum", "subgenus": "", "specificEpithet": "nelsonii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. Barkworth", "recordedBy": "LeRoy H. Harvey", "recordNumber": "4396", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Montana", "county": "", "municipality": "", "locality": "Vicinity of Polson", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}