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 B7=DH           FREDERICK W. CASE, JR. & ROBERTA B. CASE, DAVID LITTELL P ;  -84.47K803 `    BOIS BLANC ISLAND, CA.4 MI N OF SNAKE ISLAND, ON NLAND SIDE OF PERIMETER ROAD. /8 I  michigan 9l,y*    =BtW  ARNOGLOSSUM  & 45.773385   k# plantagineum Raf.  U;d  s.n. N x^N   asterales e@     UNITED STATES H 
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "Raf.", "genus": "Arnoglossum", "subgenus": "", "specificEpithet": "plantagineum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick W. Case, Jr. & Roberta B. Case, David Littell", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Bois Blanc Island, ca .4 mi N of Snake Island, on inland side of Perimeter Road.", "decimalLatitude": "45.773385", "decimalLongitude": "-84.47803", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}