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": ""}
 HURON RIVER s        8$mI  michigan  ALISMATALES T0&   POIR. T_a0   @A m.r. raymond 1938-07-14 Z   $ POTAMOGETON  0I&Vc 1281424   potamogeton nodosus e=n6$     OAKLAND :     
{"catalogNumber": "1281424", "order": "Alismatales", "family": "", "scientificName": "Potamogeton nodosus", "scientificNameAuthorship": "Poir.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M.R. Raymond", "recordNumber": "", "verbatimEventDate": "1938-07-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Oakland", "municipality": "", "locality": "Huron River", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}