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": ""}
Frequent shrubby trees, low woods. A    1u United States   lC   rosaceae  41.923473 zN~4  1957-05-14 p $:E  ROSALES KWp   HILLSDALE Y    Prunus virginiana   a   L DH+ EDWAR4D G. VOSS     @Xm   -84.78642 1468554 Yo8ml    RuQ|X MICHIGAN p,runus ~   m5Wr l. virgini4na 9Hv  ca. 2.5 mi. ssw of allen. 0  3657 h  
{"catalogNumber": "1468554", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus virginiana", "scientificNameAuthorship": "L.", "genus": "Prunus", "subgenus": "", "specificEpithet": "virginiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "3657", "verbatimEventDate": "1957-05-14", "habitat": "Frequent shrubby trees, low woods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Hillsdale", "municipality": "", "locality": "ca. 2.5 mi. SSW of Allen.", "decimalLatitude": "41.923473", "decimalLongitude": "-84.78642", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}