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": ""}
  Du g UNITED STATES  pusillum =  1416249 H&ar      GZ Poaceae    aN2 sv.n.   nutt. x 2<   Y HORDEUM 1896-04-14 t^E      |*u texas h.s. jenninqsUg     -  poales CONTACT UM HERBARIZUM oM,]     
{"catalogNumber": "1416249", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "Nutt.", "genus": "Hordeum", "subgenus": "", "specificEpithet": "pusillum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H.S. Jennings", "recordNumber": "s.n.", "verbatimEventDate": "1896-04-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}