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": ""}
MISSISSIPPI fH   1429257 BJj3    1906-04-19 7c    Poaceae n U     Dichanthelium V    dichotomum @[:  A. S. HITCHCOCK11> 2   R6 DICHANTHELIUM DICHOTOMUM united states wL  Y  (L Gould 1)        1063 *  BILOXI 3i  
{"catalogNumber": "1429257", "order": "", "family": "Poaceae", "scientificName": "Dichanthelium dichotomum", "scientificNameAuthorship": "(L.) Gould", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "dichotomum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. S. Hitchcock", "recordNumber": "1063", "verbatimEventDate": "1906-04-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Mississippi", "county": "", "municipality": "", "locality": "Biloxi", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}