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": ""}
 =Poj? helianthus   asteraceae u      42.99284  _z  L. t4%c    EAU "PLENTIFUL. APPARENTLY NATIVE." asterales /   bWG ST. CLAIR  *kCO_ 1912-09-18 HELIANTHUS TUBEROSUS  8    -82.44219 7z   wi uwnited states  michigan FGN     ) banks of streams.   & CHARLES K. DODGE TUBEROSUS ldip 
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Helianthus tuberosus", "scientificNameAuthorship": "L.", "genus": "Helianthus", "subgenus": "", "specificEpithet": "tuberosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles K. Dodge", "recordNumber": "", "verbatimEventDate": "1912-09-18", "habitat": "Banks of streams.", "occurrenceRemarks": "\"Plentiful. Apparently native.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "St. Clair", "municipality": "", "locality": "", "decimalLatitude": "42.99284", "decimalLongitude": "-82.44219", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}