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": ""}
  ;V Digitaria ischaemum   ,[ 1988-08-25  Digitaria &51   DON HENSON *   ] poales   FDt (schreb.) schreb. ex muhl. -88.2113 (!  Michigan +dLo  ischaemum q     =B 46.10941 2653 #ap   DICKINSON CO.[IRON CO.]: NW1/4 SEC 20 T43N-R31W CA. 6 MI. E OF CRYSTAL FALLS Ke     A` 1212461 UNITED STATES B3*7V     (tux  growing along shoulder of m-69.   Iron ^ 
{"catalogNumber": "1212461", "order": "Poales", "family": "", "scientificName": "Digitaria ischaemum", "scientificNameAuthorship": "(Schreb.) Schreb. ex Muhl.", "genus": "Digitaria", "subgenus": "", "specificEpithet": "ischaemum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Don Henson", "recordNumber": "2653", "verbatimEventDate": "1988-08-25", "habitat": "Growing along shoulder of M-69.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Iron", "municipality": "", "locality": "Dickinson Co.[Iron Co.]: NW1/4 sec 20 T43N-R31W ca. 6 mi. E of Crystal Falls", "decimalLatitude": "46.10941", "decimalLongitude": "-88.2113", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}