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 K6t   CRUS-CORVI Qz i  CYPERACEAE R-p   |kJ CAREX   C gh Shuttlew. ex Kunze 6.M. STRATKINS UD#   s.n. ULG,.  poals p6X?         GMe 1931  CAREX CRUS-CORVI ;2c  1367456 Il   uzqz$ SAN MARCOS.   
{"catalogNumber": "1367456", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex crus-corvi", "scientificNameAuthorship": "Shuttlew. ex Kunze", "genus": "Carex", "subgenus": "", "specificEpithet": "crus-corvi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "G.M. Stratkins", "recordNumber": "s.n.", "verbatimEventDate": "1931", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "San Marcos.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}