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 F.E. LEONARD   _y 1883-08-28 poaceae       ,< ASPERIFOLIA united states  o   > Poales     $x UTAH muhlenbergia 4Tt-      MUHLENBERGIA ASPERIFOLIA p      F 1417459  (NEES & MEYEN EX TRIN.) PARODI SV:    
{"catalogNumber": "1417459", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia asperifolia", "scientificNameAuthorship": "(Nees & Meyen ex Trin.) Parodi", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "asperifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F.E. Leonard", "recordNumber": "", "verbatimEventDate": "1883-08-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Utah", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}