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 CHAM. EX STEUD.      4 *$ POALES 1990-08-03 y   PACHYSTACHYA 2M!    mazama campground, crater lake national park. $7b)9  UNITED STATES y5L1;  Carex pachystachya j    !6<@WF Klamath    CYPERACEAE        CAREX jG    BAR$BARA L. WILSON q 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex pachystachya", "scientificNameAuthorship": "Cham. ex Steud.", "genus": "Carex", "subgenus": "", "specificEpithet": "pachystachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Barbara L. Wilson", "recordNumber": "", "verbatimEventDate": "1990-08-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Klamath", "municipality": "", "locality": "Mazama Campground, Crater Lake National Park.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}