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": ""}
  j8, BROMUS RICHARDSONII  iC Poales   1407902 % Vv;    ! richardsonii   m6 Contact UM Herbarium  l united states    , z( 1949-08-10    vr Bromus     (g Poaceae Grand y- 8y    Link &aV7    d COLORADO GEORGE B. VAN SCHAACK -0s   2659 ZlueU 
{"catalogNumber": "1407902", "order": "Poales", "family": "Poaceae", "scientificName": "Bromus richardsonii", "scientificNameAuthorship": "Link", "genus": "Bromus", "subgenus": "", "specificEpithet": "richardsonii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George B. Van Schaack", "recordNumber": "2659", "verbatimEventDate": "1949-08-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Grand", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}