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": ""}
    = STEVE L. ORZELL & EDWIN L. BRIDGES   = At W edge of Reedy Creek Swamp near mouth of Horse Creek, ca. 2.6 air mi E f the center of Davenport.   as U 16374   RO polk united sta7es XYR4   kS 1991-04-15  rO cyperaceae     XHO SUBSP.   dC POALES   CAREX  b     1364518 PHT  
{"catalogNumber": "1364518", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Steve L. Orzell & Edwin L. Bridges", "recordNumber": "16374", "verbatimEventDate": "1991-04-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Polk", "municipality": "", "locality": "At W edge of Reedy Creek Swamp near mouth of Horse Creek, ca. 2.6 air mi E of the center of Davenport.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}