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": ""}
  610 A   /8 SAND POINT, PEND OREILLE NATIONAL FOREST. JOHN H. EHLERS & CARL O. ERLAN5ON  X=Wu  bonner 1b2   m  retrorsa  t.c4< Carex retrorsa Cyperaceae _]              w UNITED STATES  idaho H6zQ   +z  1922-08-17    
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex retrorsa", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "retrorsa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers & Carl O. Erlanson", "recordNumber": "", "verbatimEventDate": "1922-08-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Idaho", "county": "Bonner", "municipality": "", "locality": "Sand Point, Pend Oreille National Forest.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}