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": ""}
  P^ -83.662835  :x; L. 1960-07-28 /Y  virginiana M          # clematis virginiana RANUNCULACEAE oLA*   +@ MICHIGAN   8I0 Washtenaw   :nOH University of Michigan Botanical Gardens, Dixboro Site, 4.5 mi northeast of Ann Arbor    YoO United States alfred e. schuyler  lDU    mte  2193     
{"catalogNumber": "", "order": "", "family": "Ranunculaceae", "scientificName": "Clematis virginiana", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "virginiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Alfred E. Schuyler", "recordNumber": "2193", "verbatimEventDate": "1960-07-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "University of Michigan Botanical Gardens, Dixboro Site, 4.5 mi northeast of Ann Arbor", "decimalLatitude": "", "decimalLongitude": "-83.662835", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}