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": ""}
Chikaming Twp; T7S, R20W, Sec. 22 a~^Hr    EJ George W. Parmelee 41.84932 IWEA   J $z 1950-08-18  h_Dr -86.61943    missurica .+4    Berrien si U      ] UNITED STATES  VERNONIA MISSURICA  b>=     [33 fls/head] )dj F  1756 Pb+   T v! ASTERACEAE  1258294     
{"catalogNumber": "1258294", "order": "", "family": "Asteraceae", "scientificName": "Vernonia missurica", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "missurica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George W. Parmelee", "recordNumber": "1756", "verbatimEventDate": "1950-08-18", "habitat": "", "occurrenceRemarks": "[33 fls/head]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Berrien", "municipality": "", "locality": "Chikaming Twp; T7S, R20W, Sec. 22", "decimalLatitude": "41.84932", "decimalLongitude": "-86.61943", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}