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": ""}
 5168 %b     ~u 1931-05-08     Q POLK    4 florida  commelinales +Z   PONTEDERIA   ~l-      607 pontederia cordata var. lancifolia  (muhl.) morong ~)`8     lancifolia      1< UNITED STATES 
{"catalogNumber": "", "order": "Commelinales", "family": "", "scientificName": "Pontederia cordata var. lancifolia", "scientificNameAuthorship": "(Muhl.) Morong", "genus": "Pontederia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "lancifolia", "identifiedBy": "", "recordedBy": "", "recordNumber": "5168", "verbatimEventDate": "1931-05-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Polk", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}