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": ""}
   D4VID CASTANER 94;=r   1983-06-10 :   Ki 0.4 miles east of jct of j & o. TRS: T58N R31W between sec 19 & 30 tU    CAREX 1m;h/  pellita D/J  Muhl. ex Willd. >W       MISSOURI GMt  7692 G&      1382538 x   P Cyperaceae 
{"catalogNumber": "1382538", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "Muhl. ex Willd.", "genus": "Carex", "subgenus": "", "specificEpithet": "pellita", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "David Castaner", "recordNumber": "7692", "verbatimEventDate": "1983-06-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Missouri", "county": "", "municipality": "", "locality": "0.4 miles east of jct of J & O.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T58N R31W between sec 19 & 30", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}