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": ""}
   Nn  WASHTENAW  6;6 CARL O. ERLANSON & EILEEN W. ERLANSON          z   prumella vulgaris 1926-07-31 n   4S;  l.   VULGARIS   #f          H:7 5 miles south of ann arbor, hickory flat 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Prunella vulgaris", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "vulgaris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Erlanson & Eileen W. Erlanson", "recordNumber": "", "verbatimEventDate": "1926-07-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "5 miles south of Ann Arbor, Hickory Flat", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}