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": ""}
  x/E4 vasey & scribn. United States G    K POA BIGELOVII     ]-. 396  Poaceae M+?  1949-04-10 + G2    barton h.warnock J]     poales @u%sV   > 282  MILE CANYON, LANGTRY u|m      G?Sn! 1421217 
{"catalogNumber": "1421217", "order": "Poales", "family": "Poaceae", "scientificName": "Poa bigelovii", "scientificNameAuthorship": "Vasey & Scribn.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Barton H. Warnock", "recordNumber": "282", "verbatimEventDate": "1949-04-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Mile Canyon, Langtry", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "396", "maximumElevationInMeters": ""}