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": ""}
  =[C Warren H. Wagner, Jr.     -83.741558 (Bw    @ BN; (L.) Scop.   ~9,C MICHIGAN     Wh 42.28713  , F 1955-08-23        g_]T digitaria    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(L.) Scop.", "genus": "Digitaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Warren H. Wagner, Jr.", "recordNumber": "", "verbatimEventDate": "1955-08-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.28713", "decimalLongitude": "-83.741558", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}