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": ""}
    P.0 louis c. wheeler CAREX HETERONEURA sP*N[  San Gabriel Mountains, Lily Sprins.    N heteroneura     %YOJ@ calfornia  A- carex  F 1966-09-21   cyperaceae pRB     &c UNITED STATES 8916 S  _      W. Boott    N wItkJ Poales Los Angles  G.U   1398981 dC!  2438 Md 
{"catalogNumber": "1398981", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex heteroneura", "scientificNameAuthorship": "W. Boott", "genus": "Carex", "subgenus": "", "specificEpithet": "heteroneura", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Louis C. Wheeler", "recordNumber": "8916", "verbatimEventDate": "1966-09-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "California", "county": "Los Angeles", "municipality": "", "locality": "San Gabriel Mountains, Lily Sprins.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "2438", "maximumElevationInMeters": ""}