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 tetrastachya y  8280  *K   Robertson dz  cyperaceae ff2r       -X 1389439    HV POALES   CAREX nFzI    F] 1992-04-18 tetrastachya  30nP   TEXAS k   unit ed states 4pvp   [BQbM 136   STANLEY D. JONES& GRETCEN D. JONES , !:|  
{"catalogNumber": "1389439", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex tetrastachya", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "tetrastachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Stanley D. Jones & Gretchen D. Jones", "recordNumber": "8280", "verbatimEventDate": "1992-04-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Robertson", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "136", "maximumElevationInMeters": ""}