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": ""}
  8` 42.49109        LOW WOODS ALONG MILK R.      @g var. michigan Z    15   John A. Churchill, M.D. Po4les p      S.N.     grayi iG~X[  "(SITE ERADIGATED, HOUSES 1965)A" g&   Q GRAYI   Carex G6   
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "grayi", "verbatimTaxonRank": "var.", "infraspecificEpithet": "grayi", "identifiedBy": "", "recordedBy": "John A. Churchill, M.D.", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Low woods along Milk R.", "occurrenceRemarks": "\"(site eradicated, houses 1965)\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.49109", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}