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": ""}
     k64T 6245   N 48.041963 potamogeton 1`<i      alisma7ales  #e&c    ><8  Keweenaw GRAMINEUS up+=?  Potamogeton gramineus var. gramineus v7W,m   K -88.766296 Potamogetonaceae 4      $LR  Michigan    isle royale Z f9> 
{"catalogNumber": "", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton gramineus var. gramineus", "scientificNameAuthorship": "", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "gramineus", "identifiedBy": "", "recordedBy": "", "recordNumber": "6245", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "Isle Royale", "decimalLatitude": "48.041963", "decimalLongitude": "-88.766296", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}