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": ""}
1836-06 Rx     f1&OA champaign contact um herbarium _Gi  s.n. Dm   =/^) 1500143 revolutum A    j BORDERS OF OPEN GRASSY WOODLANDS  >$ RANUNCULALES united states F?G>        thalicBtrum PKWn[1  JOHN SAMPLES ,(     ie O& thalictrum re5volutum   Ranunculaceae xDe  DC. D.   k;^ OHIO
{"catalogNumber": "1500143", "order": "Ranunculales", "family": "Ranunculaceae", "scientificName": "Thalictrum revolutum", "scientificNameAuthorship": "DC.", "genus": "Thalictrum", "subgenus": "", "specificEpithet": "revolutum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John Samples", "recordNumber": "s.n.", "verbatimEventDate": "1836-06", "habitat": "Borders of open grassy woodlands", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Ohio", "county": "Champaign", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}