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": ""}
 4-`I united states    xC 3105a  J 1939-05-28  + kalamazoo  Fred W. Rapp M   frederick j. hermann |      V7-4 Cyperaceae carex ``U-  L. H. BAILEY [ e        Xp michigan    eN  O POALES 1320923 Mij   5 ~E carex communis  Bz= woods 6 mi.m east vicksrburg. 
{"catalogNumber": "1320923", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex communis", "scientificNameAuthorship": "L. H. Bailey", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Frederick J. Hermann", "recordedBy": "Fred W. Rapp", "recordNumber": "3105a", "verbatimEventDate": "1939-05-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kalamazoo", "municipality": "", "locality": "Woods 6 mi. east Vicksburg.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}