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": ""}
virginiana K&c    A  Rosaceae       rosales I   n united states   Ann Arbor, R    42.2874 ox   bcnE  Washtenaw   z`+ L.   Y NL a.j. pieters Prunus virginiana l   $ -83.7402    
{"catalogNumber": "", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus virginiana", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "virginiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A.J. Pieters", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor,", "decimalLatitude": "42.2874", "decimalLongitude": "-83.7402", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}