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": ""}
  E crataegus calpodendron      1904-10-18 )f    -82.980473 u +    united states @UXO   6uY ROSALES     () ERNEST J. PALMER  rosaceae  ?5     ND MICHIGAN   oYSu crataegus  <TD BELLE ISL3. calpodendron r8o7   42.340038   
{"catalogNumber": "", "order": "Rosales", "family": "Rosaceae", "scientificName": "Crataegus calpodendron", "scientificNameAuthorship": "", "genus": "Crataegus", "subgenus": "", "specificEpithet": "calpodendron", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Ernest J. Palmer", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1904-10-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Belle Isle.", "decimalLatitude": "42.340038", "decimalLongitude": "-82.980473", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}