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": ""}
      R:6B; Poales  FLORIDA  o2J,   J. J. Bruhl y$   15f^  ELEOCHARIS VIVIPARA  si link   UNITED STATES TX   1558543 mGsg  VIVIPARA ))    1931-06-2 RQ%q       james b. mcfarlin  R  eleocharis s.W 
{"catalogNumber": "1558543", "order": "Poales", "family": "", "scientificName": "Eleocharis vivipara", "scientificNameAuthorship": "Link", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "vivipara", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J. J. Bruhl", "recordedBy": "James B. McFarlin", "recordNumber": "", "verbatimEventDate": "1931-06-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}