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": ""}
Canada j4zDC    asteraceae h       _ flodmanii  1452694 .   8X Cirsium    ?wB; CONTACT UM HERBARIUM    35443 /   -g  MICHAEL J. OLDHAM, SAM R. BRINKER & WASYL D. BAKOWSKY   gkW (Aydb.) Arthur      bc<N Asterales  Ontario b 
{"catalogNumber": "1452694", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "(Rydb.) Arthur", "genus": "Cirsium", "subgenus": "", "specificEpithet": "flodmanii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham, Sam R. Brinker & Wasyl D. Bakowsky", "recordNumber": "35443", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}