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": ""}
 8 7    depth of water: 5(4-18) ft. bottom: fibrous peat C@o    Alismatales +7ay|   d0Ai CANADENSIS Hydrocharitaceae D     LENAWEE A$    . sand lake      United States        L[/ B. Walker   *M U[ elodea canadensis
{"catalogNumber": "", "order": "Alismatales", "family": "Hydrocharitaceae", "scientificName": "Elodea canadensis", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "B. Walker", "recordNumber": "8", "verbatimEventDate": "", "habitat": "Depth of Water: 5(4-18) ft. Bottom: fibrous peat", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Lenawee", "municipality": "", "locality": "Sand Lake", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}