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": ""}
   - bromus   wB contact um herbarium  wi`j POACEAE   roth =-,U    1407344 mknY   e. r. blakley  `n]   # 1961-04-21  & DIANDRUS   poales ,  Bromus diandrus X[/$Q   united states aP        4069 mkfZ  
{"catalogNumber": "1407344", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus diandrus", "scientificNameAuthorship": "Roth", "genus": "Bromus", "subgenus": "", "specificEpithet": "diandrus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. R. Blakley", "recordNumber": "4069", "verbatimEventDate": "1961-04-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}