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": ""}
IOSCO  1   K^uA potamogeton United States ]ib ;     Depth of Water: 1 ft Bo7tm: sand 9   GRAMINEUS 6_avE   VAR. eb    10PC Potamogeton gramineus var. gramineus 44.47353 X@2E     I2 e.l. cheatum  Bf 1937-08-18  y; gramineus  kV   1280843  MICHIGAN zfSL/   -2 alismatDales 218 U!    Potamogetonaceae *6 
{"catalogNumber": "1280843", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton gramineus var. gramineus", "scientificNameAuthorship": "", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "gramineus", "verbatimTaxonRank": "var.", "infraspecificEpithet": "gramineus", "identifiedBy": "", "recordedBy": "E.L. Cheatum", "recordNumber": "218", "verbatimEventDate": "1937-08-18", "habitat": "Depth of Water: 1 ft Bottom: sand", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Iosco", "municipality": "", "locality": "", "decimalLatitude": "44.47353", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}