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": ""}
ROSACEAE s7   y I@ -84.866846  mseQ SEROTINA  .A5C3 "several scaly-barked trees to about 12 m high, with fraxinus americana."  o about 90 m north of peaks rd., 0.3 mi. west of intersection with grand river ave.     MICHIGAN GT S    T/ 42.850002   m5 Prunus serotina  984 s   ** IONIA    United States 1P   1468416 t1r    ROSALES PvE   roy e. gereau ] F 
{"catalogNumber": "1468416", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus serotina", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "serotina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Roy E. Gereau", "recordNumber": "984", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"Several scaly-barked trees to about 12 m high, with Fraxinus americana.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ionia", "municipality": "", "locality": "About 90 m north of Peaks Rd., 0.3 mi. west of intersection with Grand River Ave.", "decimalLatitude": "42.850002", "decimalLongitude": "-84.866846", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}