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": ""}
  ;Bt 1926-05-20   BROMUS VILLOSUS @      kL NOUVELLE-AQUITAINE   C.C.Gmel.  bQ    Jl Poaceae     Contact UM Herbarium @  FRANCE f  VILLOSUS .0f.r      s.n. 9 K  
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Bromus villosus", "scientificNameAuthorship": "C.C.Gmel.", "genus": "", "subgenus": "", "specificEpithet": "villosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1926-05-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "France", "stateProvince": "Nouvelle-Aquitaine", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}