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": ""}
viridula Fe2YT   i UNITED STATES   colorado Tr3Y     [ 1937-06-24 1418487  Ylp     2173 |sQ  Denver 9   paul weatherwax  >X=>   ) y nassella viridula     U3 POACEAE     M[II  1524   gnLx (TRIN.) BARKWORTH 
{"catalogNumber": "1418487", "order": "", "family": "Poaceae", "scientificName": "Nassella viridula", "scientificNameAuthorship": "(Trin.) Barkworth", "genus": "", "subgenus": "", "specificEpithet": "viridula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Paul Weatherwax", "recordNumber": "2173", "verbatimEventDate": "1937-06-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Denver", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1524", "maximumElevationInMeters": ""}