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": ""}
      UNITED STATES effusum L$ z   A POALES  t~w 3966 1230918 T t,   spB 45.47969   wr;kU JOHN H. EHLERS Edward G. Voss pi  -84.6807 -_omA  MILIUM EFFUSUM _r1    MICHIGAN  e   wAJ;/ Milium   Colonial Pint, Burt Lake m S   cheboygan  oC   0Hj POACEAE     hardwoods l. Sb  1929-07-10 z 
{"catalogNumber": "1230918", "order": "Poales", "family": "Poaceae", "scientificName": "Milium effusum", "scientificNameAuthorship": "L.", "genus": "Milium", "subgenus": "", "specificEpithet": "effusum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "John H. Ehlers", "recordNumber": "3966", "verbatimEventDate": "1929-07-10", "habitat": "Hardwoods", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "Colonial Point, Burt Lake", "decimalLatitude": "45.47969", "decimalLongitude": "-84.6807", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}