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": ""}
 EUBN UNITED STATES  u##t WALTER      cJq2 elizabeth c. almendinger   CORYLUS ~[g  Ann Arbor :-    CORYLUS AMERICANA gUlz6   Ic [Mature foliage surely not coll. In March though catkins may have been EGV 1967]  %zM  1861-03    Betulaceae iA3     s.n. [dNF+     .s John S. Drumke
{"catalogNumber": "", "order": "", "family": "Betulaceae", "scientificName": "Corylus americana", "scientificNameAuthorship": "Walter", "genus": "Corylus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "John S. Drumke", "recordedBy": "Elizabeth C. Almendinger", "recordNumber": "s.n.", "verbatimEventDate": "1861-03", "habitat": "", "occurrenceRemarks": "[Mature foliage surely not coll. In March though catkins may have been EGV 1967]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Ann Arbor", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}