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": ""}
 brazos  @w    texas 6+DRs   Walt. w S    15404 4   jfestuca 3 mi. w. of welborn Z i   AJ=1n United States  ^73[ F. W. Goulo  1978-0-26 j  OCTOFLORA 1uIA          ,6 poales     h festuca octoflora
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Festuca octoflora", "scientificNameAuthorship": "Walt.", "genus": "Festuca", "subgenus": "", "specificEpithet": "octoflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "F. W. Gould", "recordNumber": "15404", "verbatimEventDate": "1978-04-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Brazos", "municipality": "", "locality": "3 mi. W. of Welborn", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}