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 M r   R. hystericina CONNECTICUT k     1991-07-13 CtNZ    m8   cyperaceae 1373719 shcg       u3?h Litchfield  Q> carex hystericina  ( leslie j. mehrhoff   %  14723  UNITED ST-ATES ;7w4f     ;y Sharon, by roaoside, rt 7, 1.5 miles north 0f junction with rt 4.   HE  POALES    muhl. ex willd.
{"catalogNumber": "1373719", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex hystericina", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "Carex", "subgenus": "", "specificEpithet": "hystericina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Leslie J. Mehrhoff", "recordNumber": "14723", "verbatimEventDate": "1991-07-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Connecticut", "county": "Litchfield", "municipality": "", "locality": "Sharon, by roadside, rt 7, 1.5 miles north of junction with rt 4.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}