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": ""}
 BE In shallow water ca. 1 - 1.5 m deep.  n^ richardsonii     Y4 42.8236111    -JZ (A. BENN.) RYDB.    Alismatales  .5q     "MIDDLE GROUND," A SHOAL IN THE ST. CLAIR RIVER AT ST. CLAIR. LAT. 42Â° 49' 25" N, LOG. 82Â° 28'43" W. VPqU    POTAMOGETON RICHARDSONII fnMr         
{"catalogNumber": "", "order": "Alismatales", "family": "", "scientificName": "Potamogeton richardsonii", "scientificNameAuthorship": "(A. Benn.) Rydb.", "genus": "", "subgenus": "", "specificEpithet": "richardsonii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "In shallow water ca. 1 - 1.5 m deep.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "\"Middle Ground,\" a shoal in the St. Clair River at St. Clair. Lat. 42\u00c2\u00b0 49' 25\" N, Long. 82\u00c2\u00b0 28' 43\" W.", "decimalLatitude": "42.8236111", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}