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": ""}
  tu V Ddepth of Water: 1' Bottom: sand     S 162   raf. r )/   EPIHYDRUS 5?[^]   Alger ^fCJ   o9 Potamogeton epihydrus  t43-44n, r20w stoner lake, sta. no. 5 f6   kTE -86.765943 Potamogeton =      9 C JOSEPH BAILEY  r^#]P UNITED STATES  1937-07-28    46.159381 f^P  
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Potamogeton epihydrus", "scientificNameAuthorship": "Raf.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "epihydrus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Joseph Bailey", "recordNumber": "162", "verbatimEventDate": "1937-07-28", "habitat": "Depth of Water: 1' Bottom: sand", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Alger", "municipality": "", "locality": "T43-44N, R20W Stoner Lake, Sta. No. 5", "decimalLatitude": "46.159381", "decimalLongitude": "-86.765943", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}