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": ""}
  CAREX G x /   I& landon e. mckinney   n:g Hwy 18 at old Hwy 51.      Poales JT^ 4    A microdonta  1378817 Bsy   O 1t987-05-12  @</ UNITED STATES     carex microdonta &/    Yn  Torr. & Hook.  %K~ Oklahoma 
{"catalogNumber": "1378817", "order": "Poales", "family": "", "scientificName": "Carex microdonta", "scientificNameAuthorship": "Torr. & Hook.", "genus": "Carex", "subgenus": "", "specificEpithet": "microdonta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Landon E. McKinney", "recordNumber": "", "verbatimEventDate": "1987-05-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Oklahoma", "county": "", "municipality": "", "locality": "Hwy 18 at old Hwy 51.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}