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": ""}
 B13x Cyperaceae  h! FLAVESCENS    LLR[ 42.65754   |6  anton a. reznicek     Id R ALLEGAN   4yhW Bradford S. Slaughter     Eleocharis flavescens Rlv   1482620 ZpI&     w 1082 united states $d  poales H[!   T: (Poir.) Urb. 
{"catalogNumber": "1482620", "order": "Poales", "family": "Cyperaceae", "scientificName": "Eleocharis flavescens", "scientificNameAuthorship": "(Poir.) Urb.", "genus": "", "subgenus": "", "specificEpithet": "flavescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Bradford S. Slaughter", "recordNumber": "1082", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Allegan", "municipality": "", "locality": "", "decimalLatitude": "42.65754", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}