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": ""}
     ontario  + Asteraceae   7  m.j. oldham, joe johnson & bob gray 16252 dao9   Jaj (MUHL. EX WILLD.) W. A. WEBER & Ã. LÃ¶VE   obovata  YD     canada ]o(6T   Bruce ]   PACERA OBOVATA  [1  ASTERALES )   vs 1202002    packera Y?d|@   1994-06-20 EmI   Q CONTACT UM HERBARIUM
{"catalogNumber": "1202002", "order": "Asterales", "family": "Asteraceae", "scientificName": "Packera obovata", "scientificNameAuthorship": "(Muhl. ex Willd.) W. A. Weber & \u00c3\u0081. L\u00c3\u00b6ve", "genus": "Packera", "subgenus": "", "specificEpithet": "obovata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M.J. Oldham, Joe Johnson & Bob Gray", "recordNumber": "16252", "verbatimEventDate": "1994-06-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Bruce", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}