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": ""}
    3U8d CYPERACEAE ironriver. T%+  Poales X    Carex jf)`    w Michigan 1323653 W`  H. C. MEDFORD  zz  iron >?=    united states [B  1955-06-13 ?@- A   *z P.E. HEBERT intumescens X2 ?   carex intumescens var. intumescens /KN2e  var. g+# z   KVrM S.N.     t INTUMESCENS 
{"catalogNumber": "1323653", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex intumescens var. intumescens", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "intumescens", "verbatimTaxonRank": "var.", "infraspecificEpithet": "intumescens", "identifiedBy": "H. C. Medford", "recordedBy": "P.E. Hebert", "recordNumber": "s.n.", "verbatimEventDate": "1955-06-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Iron", "municipality": "", "locality": "Iron River.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}