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": ""}
  Y__k, mixed with lemna, wolffia, and wolffiella E. Landolt msj   united states 0      Dj brasiliensis   <%P 1663064 Wolffia UX     jTI Alismatales  hempstead >4(2    y Araceae    G. L. Webster & K. I. Miller -g  ARKANSAS t  Wedd. +TH;  1952-08-05 c  4633  tCm8  Wolffia brasiliensis w u3  
{"catalogNumber": "1663064", "order": "Alismatales", "family": "Araceae", "scientificName": "Wolffia brasiliensis", "scientificNameAuthorship": "Wedd.", "genus": "Wolffia", "subgenus": "", "specificEpithet": "brasiliensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "E. Landolt", "recordedBy": "G. L. Webster & K. I. Miller", "recordNumber": "4633", "verbatimEventDate": "1952-08-05", "habitat": "Mixed with Lemna, Wolffia, and Wolffiella", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Hempstead", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}