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": ""}
  asteraceae o>b     Asterales P EW    (Muhl. ex Willd.) W. A. Weber & Ã. LÃ¶ve 3P8   s.n. %+Y  obovata T5I  United States JB    N ai@ EASTON, COLLEGE HILL   D,C t.c. porter  1 Rr Packera obovata      153919 >   
{"catalogNumber": "1539119", "order": "Asterales", "family": "Asteraceae", "scientificName": "Packera obovata", "scientificNameAuthorship": "(Muhl. ex Willd.) W. A. Weber & \u00c3\u0081. L\u00c3\u00b6ve", "genus": "", "subgenus": "", "specificEpithet": "obovata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "T.C. Porter", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Easton, College Hill", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}