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": ""}
     ^7Xc MICHIGAN      %y !- minor  -85.406447         Owg  1981-08-10  C s.n.   lemna minor W:R   Y2 14714456   united states Y`   DALAND R. JUBERG ssJ i  L. jvA  
{"catalogNumber": "1474456", "order": "", "family": "", "scientificName": "Lemna minor", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "minor", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Daland R. Juberg", "recordNumber": "s.n.", "verbatimEventDate": "1981-08-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-85.406447", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}