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": ""}
 ud 1662574   araceae _     @ ~X 1945-10-10  e San Joaqui WOLFFIELLA 1UKkK         8 e. landolt   (hegelm.) hegelm. V ,   trapers slough, roberts island, del7a of san joaquin r _ ^  United States =   HERBERT L. )MASON   ^*  s.n.  yOk    
{"catalogNumber": "1662574", "order": "", "family": "Araceae", "scientificName": "", "scientificNameAuthorship": "(Hegelm.) Hegelm.", "genus": "Wolffiella", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "E. Landolt", "recordedBy": "Herbert L. Mason", "recordNumber": "s.n.", "verbatimEventDate": "1945-10-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "San Joaquin", "municipality": "", "locality": "Trappers Slough, Roberts Island, delta of San Joaquin R", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}