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": ""}
            4 unitexd states (Wangenh.) K. Koch %82   [3_7 "specimen taken from 2.5cm dbh tree, typical dbh is 15-20cm. assoc.: acer saccharum, liriodendron 7ulipifera, ostrya virg., carpinus carol., tilia amer."        ?& N Mesic southern forest; lower west slope near swamp border in mucky loam, filtered sun. Common.      
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(Wangenh.) K. Koch", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "Mesic southern forest; lower west slope near swamp border in mucky loam, filtered sun. Common.", "occurrenceRemarks": "\"Specimen taken from 2.5cm dbh tree, typical dbh is 15-20cm. Assoc.: Acer saccharum, Liriodendron tulipifera, Ostrya virg., Carpinus carol., Tilia amer.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}