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": ""}
UNITED STATES oEhO+      Savannah, 20 mi. W. of w   [r@ a haloragaceae Arthur Cronquist kZ?M]    nY% (WALTER) BRITTON, STERNS & POGGENB. Myriophyllum pinnatvm ^b    ;= Georgia    * Effingham SAXIFRAGALES Dubg    zW(i pinnatum    s 1947-04-12   3g 4293 1223480 gq   Y% Myriophyllum   MITCHELL S. MALIX, ROBIN W. SCRIBAILO &| 
{"catalogNumber": "1223480", "order": "Saxifragales", "family": "Haloragaceae", "scientificName": "Myriophyllum pinnatum", "scientificNameAuthorship": "(Walter) Britton, Sterns & Poggenb.", "genus": "Myriophyllum", "subgenus": "", "specificEpithet": "pinnatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Mitchell S. Alix, Robin W. Scribailo", "recordedBy": "Arthur Cronquist", "recordNumber": "4293", "verbatimEventDate": "1947-04-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Georgia", "county": "Effingham", "municipality": "", "locality": "Savannah, 20 mi. W. of", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}