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": ""}
poaceae    Danthonia sericea Bm.2*    vPrU Poales    tSJm 1409869    9W TENNESSEE  6 SERICEA   lawrence A4W5      UNITED STATES  ^ ROBERT KRAL  1973-05-16 e?     ) Contact UM Herbarium 49986 B[0   danthonia hBpC    vG   NUTT. 
{"catalogNumber": "1409869", "order": "Poales", "family": "Poaceae", "scientificName": "Danthonia sericea", "scientificNameAuthorship": "Nutt.", "genus": "Danthonia", "subgenus": "", "specificEpithet": "sericea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert Kral", "recordNumber": "49986", "verbatimEventDate": "1973-05-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Tennessee", "county": "Lawrence", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}