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": ""}
Myrtaceae O 0=    B. Eggers e,|C  saint thomas and saint john +               ` m. sobral    & 49   8O.a MYRCIARIA FLORIBUNDA    `Zn $ 1239808  ThZ 21880  US Virgin Islands H 
{"catalogNumber": "1239808", "order": "", "family": "Myrtaceae", "scientificName": "Myrciaria floribunda", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. Sobral", "recordedBy": "B. Eggers", "recordNumber": "49", "verbatimEventDate": "1880", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "US Virgin Islands", "stateProvince": "Saint Thomas and Saint John", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}