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": ""}
 zBS Campanulaceae  S+ united states GRAND RIVER, 6P,w       > campanulastrum americanum  Dd Michigan americanum 5    Ottawa F]|t    I asterales   (l.) small S m7   7 -86.18957 f1248311 F- q   ^7T@ w. earle mulliken & leon j. Qcole    x campanulastrum  1895-08-19 5  
{"catalogNumber": "1248311", "order": "Asterales", "family": "Campanulaceae", "scientificName": "Campanulastrum americanum", "scientificNameAuthorship": "(L.) Small", "genus": "Campanulastrum", "subgenus": "", "specificEpithet": "americanum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. Earle Mulliken & Leon J. Cole", "recordNumber": "", "verbatimEventDate": "1895-08-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ottawa", "municipality": "", "locality": "Grand River,", "decimalLatitude": "", "decimalLongitude": "-86.18957", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}