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": ""}
hordeum pusillum PfB.=   r_-@z 1955-04-09     6RT$ CONTACT UM HERBARIUM    LfA pusillum   .Ru%` HORDEUM   nutt. ` C    JAMES W. HARDIN #9e3S  1416231 I*7    497 Md9u     TgP united states  k Poales  l57[W LINCOLN  N;G  louisiana Poaceae V  
{"catalogNumber": "1416231", "order": "Poales", "family": "Poaceae", "scientificName": "Hordeum pusillum", "scientificNameAuthorship": "Nutt.", "genus": "Hordeum", "subgenus": "", "specificEpithet": "pusillum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James W. Hardin", "recordNumber": "497", "verbatimEventDate": "1955-04-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Louisiana", "county": "Lincoln", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}