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": ""}
bank ofr huron river, near ann arbor. ~KnZl     MARSHALL BV   United States (S!   ; GNn s.n.      b + salicaceae  6,  sericea volney m. spalding 4   -83.746     x  Michigan MALPIGHIALES k  1319064       xE&: 1881-05-12   . 42.29559  m$3< carleton r. ball  >u SALIX
{"catalogNumber": "1319064", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "", "scientificNameAuthorship": "Marshall", "genus": "Salix", "subgenus": "", "specificEpithet": "sericea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Carleton R. Ball", "recordedBy": "Volney M. Spalding", "recordNumber": "s.n.", "verbatimEventDate": "1881-05-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Bank of Huron River, near Ann Arbor.", "decimalLatitude": "42.29559", "decimalLongitude": "-83.7426", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}