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 ir@w   columbia V*(  plaiTnfield vicinity, about *2 miles south & 0.1 to 0.2 miles north of the] state line. $5  Carek crebriflora Xr   i% CAREX     0G0qK CREBRIFLORA  CYPERACEAE  L     # 1999-05-08    O  TRS: T20S R21W sec 7 SE4ofNE4  philip e. hyatt M7*   yHqS arkansas    Mi^;P POALES    Wiegand -y6e! 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex crebriflora", "scientificNameAuthorship": "Wiegand", "genus": "Carex", "subgenus": "", "specificEpithet": "crebriflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Philip E. Hyatt", "recordNumber": "", "verbatimEventDate": "1999-05-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Columbia", "municipality": "", "locality": "Plainfield vicinity, about 2 miles south & 0.1 to 0.2 miles north of the state line.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T20S R21W sec 7 SE4ofNE4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}