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": ""}
1252084 =/    symphyotrichum 8B!U  1913-10-13 qF    along Black river, city of Port Huron f=    fOW St. Clair   $M open ground abundant.  7#g 42.99284    Symphyotrichum cordifolium )x-)   !]!; ASTERACEAE Charles K. Dodge 7Z   bF :[SENSU LATO, PERHAPS WITH SOME GENES OF . CILIOLATUS AGJ] [N.B. A. CILIOLATUS NOT KNOWN FROYM THIS PART OF THE STATE. IF THERE ARE FOREIGN GENES, A. SAJGITTIFOLIUS MORE LIKELY.]    _ cordifolium    < UNITED STATES 
{"catalogNumber": "1252084", "order": "", "family": "Asteraceae", "scientificName": "Symphyotrichum cordifolium", "scientificNameAuthorship": "", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "cordifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles K. Dodge", "recordNumber": "", "verbatimEventDate": "1913-10-13", "habitat": "open ground Abundant.", "occurrenceRemarks": "[sensu lato, perhaps with some genes of A. ciliolatus AGJ] [N.B. A. ciliolatus not known from this part of the state. If there are foreign genes, A. sagittifolius more likely.]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "St. Clair", "municipality": "", "locality": "along Black river, city of Port Huron", "decimalLatitude": "42.99284", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}