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 potamogeton amplifolius   6< E -83.780538   E;B-h UNITED STATES  FO 42.554957   902 L1c    Muck, 3 ft    1280052 #2w>         d+4 1946-07-14 Alismatales w    EQZ, LIVINGSTON  S xc amplifolius  s POTAMOGETON MICHIGAN ? I 
{"catalogNumber": "1280052", "order": "Alismatales", "family": "", "scientificName": "Potamogeton amplifolius", "scientificNameAuthorship": "", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "amplifolius", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "902", "verbatimEventDate": "1946-07-14", "habitat": "Muck, 3 ft", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "", "decimalLatitude": "42.554957", "decimalLongitude": "-83.780538", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}