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 RICHARDSONII i   S POALES    1948-07-16 >9    ^?H richardsonii  jA;kr michigan   n UNITED STATES     bromus npw    [A 1407890   WASHTENAW A    c[ H. KEITH WAGNON botanical gardens, university of michigan, ann Karbor . u1   INK p-   
{"catalogNumber": "1407890", "order": "Poales", "family": "", "scientificName": "Bromus richardsonii", "scientificNameAuthorship": "Link", "genus": "Bromus", "subgenus": "", "specificEpithet": "richardsonii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. Keith Wagnon", "recordNumber": "", "verbatimEventDate": "1948-07-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Botanical Gardens, University of Michigan, Ann Arbor", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}