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": ""}
North o f Sarnia DO      2V short & peter s.n. 5^    3 LUDWIGIA  (ril myrtales onagraceae z Oy       1508741 z  GRPM 40873 JAA^    1893d-08-15 E=~_     Lambton ad    CHARLES K. DODGE T`  
{"catalogNumber": "1508741", "order": "Myrtales", "family": "Onagraceae", "scientificName": "", "scientificNameAuthorship": "Short & Peter", "genus": "Ludwigia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles K. Dodge", "recordNumber": "s.n.", "verbatimEventDate": "1893-08-15", "habitat": "", "occurrenceRemarks": "GRPM 40873", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Lambton", "municipality": "", "locality": "North of Sarnia", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}