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": ""}
   o2  ASTERACEAE 1890-08-27 M )   obtusif/olium Bx      8 pseudognaphalium  (l.) hilliard & b. l. burtt  0oa|I  s.n.  2:   R United States   michigan *<=       :^ Ty Pseudognaphalium obtusifolium Gratiot :6UGl  43.3814 x  CHARLES A. DAVIS U|cyq  Asterles ;   
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Pseudognaphalium obtusifolium", "scientificNameAuthorship": "(L.) Hilliard & B. L. Burtt", "genus": "Pseudognaphalium", "subgenus": "", "specificEpithet": "obtusifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles A. Davis", "recordNumber": "s.n.", "verbatimEventDate": "1890-08-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Gratiot", "municipality": "", "locality": "", "decimalLatitude": "43.3814", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}