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": ""}
 MCINTOSH W  1956-06-20 j r@v    < E. LANDOLT     v WILBUR H. DUNCAN   A2>= 12 feet wide in abrupt depresion in large pond on Sapelo Island about 2 miles NW of S tip of Balckbeard Island  + OBSCURA  araceae T<N.f  Lemna obscura 5C   united states       (Austin) Daubs U0j  1663151  &4C?    E- georgia  Alismatales e U  GROWING WITH WOLFFIA COLUMBIANA KARST. AND LEMNA MINIMA 6PHILL. WATER OF POOL (Xd 
{"catalogNumber": "1663151", "order": "Alismatales", "family": "Araceae", "scientificName": "Lemna obscura", "scientificNameAuthorship": "(Austin) Daubs", "genus": "", "subgenus": "", "specificEpithet": "obscura", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "E. Landolt", "recordedBy": "Wilbur H. Duncan", "recordNumber": "", "verbatimEventDate": "1956-06-20", "habitat": "growing with Wolffia columbiana Karst. and Lemna minima Phill. water of pool", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Georgia", "county": "Mcintosh", "municipality": "", "locality": "12 feet wide in abrupt depression in large pond on Sapelo Island about 2 miles NW of S tip of Balckbeard Island", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}