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": ""}
 ;,J/i (Austin) Daubs   ALISMATALES sC    1936-10-20Vn@  margin of pond in cypress swamp, sunken meadow beach Z   ;K = ARACEAE  Pr LEMNA O8SCURA   8D/  virgnia   UNITED STATES  .M]c      M surry  OBSCURA 3_k P  aRK m. l. fernald and bayard long    ,r@ 1663070 6788 N -EJ  LEMNA d ML 
{"catalogNumber": "1663070", "order": "Alismatales", "family": "Araceae", "scientificName": "Lemna obscura", "scientificNameAuthorship": "(Austin) Daubs", "genus": "Lemna", "subgenus": "", "specificEpithet": "obscura", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. L. Fernald and Bayard Long", "recordNumber": "6788", "verbatimEventDate": "1936-10-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "Surry", "municipality": "", "locality": "Margin of pond in cypress swamp, Sunken Meadow Beach", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}