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": ""}
 L 2998         Q?Yb subsp.    S Contact UM Herbarium  foliosus .    : GN! potamogetonaceae  7  Alabama   united states  D    ^@ 1194b969  eeQiW FOLIOSUS   POTAMOGETON FOLIOSUS SUBSP. FOLIOSUS D I!K  
{"catalogNumber": "1194969", "order": "", "family": "Potamogetonaceae", "scientificName": "Potamogeton foliosus subsp. foliosus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "foliosus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "foliosus", "identifiedBy": "", "recordedBy": "", "recordNumber": "2998", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alabama", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}