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": ""}
  B ZUELANIA GUIDONIA   tdDp guidonia     pinar del rio  +  16345 lR)f   @sF BRITTON & MILLSP.   m zuelania   v^MWd 1923-03-17    Contact UM Herbarium f ,     ,S 1218814    E. L. Ekman .v#3   D salicaceae  
{"catalogNumber": "1218814", "order": "", "family": "Salicaceae", "scientificName": "Zuelania guidonia", "scientificNameAuthorship": "Britton & Millsp.", "genus": "Zuelania", "subgenus": "", "specificEpithet": "guidonia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. L. Ekman", "recordNumber": "16345", "verbatimEventDate": "1923-03-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Pinar del Rio", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}