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": ""}
E~.H. Daubs B%=   K .l Lemna 1948-07-20 2n.+Q   MEXICO l[x   benito juã¡rez; mexico city <af9g   j LEMNA GIBBA          UU( ALISMATALES  8254 0yMf  L. O      IRMA SCHNOOBERGER x   
{"catalogNumber": "", "order": "Alismatales", "family": "", "scientificName": "Lemna gibba", "scientificNameAuthorship": "L.", "genus": "Lemna", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "E.H. Daubs", "recordedBy": "Irma Schnooberger", "recordNumber": "8254", "verbatimEventDate": "1948-07-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Benito Ju\u00c3\u00a1rez; Mexico city", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}