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 densa  39Â° 36' 54" N 121Â° 30' 04" W; TRS: T20N R4E SEC 2 SW1/4 OF SW1/4 a8    carex    CALIFORNIA 58sU    1368224  wN  7760  J.    Cyperaceae j, 5;   POALES r6      2003-04-22 o/e<   
{"catalogNumber": "1368224", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex densa", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "7760", "verbatimEventDate": "2003-04-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "California", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "39\u00c2\u00b0 36' 54\" N 121\u00c2\u00b0 30' 04\" W; TRS: T20N R4E sec 2 SW1/4 of SW1/4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}