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 flaccosperma 4XQ<,            0  United States  8Dr ca 15 mi n of tyler, w side of texas farm road 14, 2.8 mi n of its junction with farm road 16.   FLACCOSPERMA     N%_| 1990-05-17         2427 Td`   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex flaccosperma", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "flaccosperma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2427", "verbatimEventDate": "1990-05-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Ca 15 mi N of Tyler, W side of Texas Farm Road 14, 2.8 mi N of its junction with Farm Road 16.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}