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": ""}
-83.73233 ;i= s  s.n. B@GX   * UNITED STATES   Michigan $K     ann arbor, along the road of huron river valley. W5k M      ;NAJ NOT EVIDENT   d `m rosales  OM AMERICAN A prunus americana t i8    Rosaceae  q   &|Ru PRUNUS   1479695 y   washtenaw O  MARSHALL s I 
{"catalogNumber": "1479695", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus americana", "scientificNameAuthorship": "Marshall", "genus": "Prunus", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Not evident", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor, along the road of Huron River Valley.", "decimalLatitude": "", "decimalLongitude": "-83.73233", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}