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": ""}
    variegata _    nuphar varMiegata _    6799 R     Michigan fxIM5  United States E% MH   Carl O. Grassl v*#2i    & IN POOL.  5deu Nymphaeales   ~ Ford River, S side of River.  1934-08-02  u  2    GPE DELTA
{"catalogNumber": "", "order": "Nymphaeales", "family": "", "scientificName": "Nuphar variegata", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "variegata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "6799", "verbatimEventDate": "1934-08-02", "habitat": "In pool.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Delta", "municipality": "", "locality": "Ford River, S side of River.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}