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": ""}
     N CAREX  R  1996-04-20  C MISSOURI     vJ( carex albursina PAUL M. MCKENZIE e    E. Sheld. l   [#,<@ Boone CYPERACEAE  M    < United States  u poales   a ALBURSINA      t/<  TRS: T45N R12W sec 1
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex albursina", "scientificNameAuthorship": "E. Sheld.", "genus": "Carex", "subgenus": "", "specificEpithet": "albursina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Paul M. McKenzie", "recordNumber": "", "verbatimEventDate": "1996-04-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Missouri", "county": "Boone", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T45N R12W sec 1", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}