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   @7 s.n.  s:i H. C. MEDFORD  1323654 l`hg     carex intumescens var. intumescens xp     k! 1954-08-02   TU99n poales intumescens L     J|b0 INTUMESCENS        ^vo=N Carex iosco C$  
{"catalogNumber": "1323654", "order": "Poales", "family": "", "scientificName": "Carex intumescens var. intumescens", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "intumescens", "verbatimTaxonRank": "", "infraspecificEpithet": "intumescens", "identifiedBy": "H. C. Medford", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1954-08-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Iosco", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}