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": ""}
    umbellata L@  Prunus umbellata K         8yZ Elliott  c%x ROSACEAE       KZiy8 Bushes growing in small clump. Same as my #1488. No fruit this year. May be closer to P. americana? Not mapped.    VOA5 PRUNUS Lenawee  5  2010-05-30 vy4f    
{"catalogNumber": "", "order": "", "family": "Rosaceae", "scientificName": "Prunus umbellata", "scientificNameAuthorship": "Elliott", "genus": "Prunus", "subgenus": "", "specificEpithet": "umbellata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "2010-05-30", "habitat": "", "occurrenceRemarks": "Bushes growing in small clump. Same as my #1488. No fruit this year. May be closer to P. americana? Not mapped.", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Lenawee", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}