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": ""}
R.D. VANDEUSEN o-A   POTAMOGETON RICHARDSONII cF  mackinac cV   5ME (A. BENN.) RYDB.  N:#rd 1281739    UNITED STAoTES oqGT  [body of fruit up to 3.5 mm long, but eIndocarp loo with small cavity] f   Ke(BR Michigan DEPTH OF WTER: 5(5-10) FT. BOTTOM: SAND-MUCK 59Q+Y   45.990287 E_  brevort lake &7   l_%` potamogetonaceae Potamogeton  @WR   wj]<@ 1942-07-28    5x alismatales 424 [  richardsonii w  -84.938393  17v   
{"catalogNumber": "1281739", "order": "Alismatales", "family": "Potamogetonaceae", "scientificName": "Potamogeton richardsonii", "scientificNameAuthorship": "(A. Benn.) Rydb.", "genus": "Potamogeton", "subgenus": "", "specificEpithet": "richardsonii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.D. VanDeusen", "recordNumber": "424", "verbatimEventDate": "1942-07-28", "habitat": "Depth of Water: 5(5-10) ft. Bottom: sand-muck", "occurrenceRemarks": "[body of fruit up to 3.5 mm long, but endocarp loop with small cavity]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "Brevort Lake", "decimalLatitude": "45.990287", "decimalLongitude": "-84.938393", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}