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": ""}
 Y  van buren  UNITED STATES P+    r  P. ROTHR. & REZNICEK    !_D  5421      carex ozarkana ljv   1993-05-18 L]      96l ozarkana     v)8B] 1381730   > K; 35.502905   VUg trs: t10n r14w sec 15  sw4 
{"catalogNumber": "1381730", "order": "", "family": "", "scientificName": "Carex ozarkana", "scientificNameAuthorship": "P. Rothr. & Reznicek", "genus": "", "subgenus": "", "specificEpithet": "ozarkana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "5421", "verbatimEventDate": "1993-05-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Van Buren", "municipality": "", "locality": "", "decimalLatitude": "35.502905", "decimalLongitude": "", "verbatimCoordinates": "TRS: T10N R14W sec 15 SW4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}