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": ""}
      PASPALUM PLICATULUM @U<U,  junction of routes 318 and 27, 4.2 miles east of williston byfY    7EF Michx. R. E. PERDUE, JR. 7]      V( paspalum   nE 1703  6T 1419816   1d6vg 1954-09-11  U  FLORIDA   United States 9y   margin of highway 318. sandy soil c/NRd    
{"catalogNumber": "1419816", "order": "", "family": "", "scientificName": "Paspalum plicatulum", "scientificNameAuthorship": "Michx.", "genus": "Paspalum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. E. Perdue, Jr.", "recordNumber": "1703", "verbatimEventDate": "1954-09-11", "habitat": "Margin of Highway 318. Sandy soil", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "", "municipality": "", "locality": "Junction of Routes 318 and 27, 4.2 miles East of Williston", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}