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": ""}
  4 Juncaceae        G^XT delta    g _ 4320   R Poales    e-,  brevicaudatus united s7ates 5(6 A       A 1998-0y8-15    L [?Why not robust Juncus brevicaudatus. 2012, A.A.R.]   
{"catalogNumber": "", "order": "Poales", "family": "Juncaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "brevicaudatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4320", "verbatimEventDate": "1998-08-15", "habitat": "", "occurrenceRemarks": "[?Why not robust Juncus brevicaudatus. 2012, A.A.R.]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Delta", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}