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": ""}
1955-05-07 &  Michigan 2 <8     mccormick lake rd., north of lewiston, line between.   7WOU ROBERTA CASE Prunus v3 <<  united states UAn0A      JfSwD -84.32392     C  q Prunus virginiana   R  1468487 44.962974 y]    s.n. /#<  virginiana ,C  MONTMORENCY bry9h     U K<= L.   ? Rosaceae  o7-q ROSALES
{"catalogNumber": "1468487", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus virginiana", "scientificNameAuthorship": "L.", "genus": "Prunus", "subgenus": "", "specificEpithet": "virginiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Roberta Case", "recordNumber": "s.n.", "verbatimEventDate": "1955-05-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Montmorency", "municipality": "", "locality": "McCormick Lake Rd., north of Lewiston, line between.", "decimalLatitude": "44.962974", "decimalLongitude": "-84.32392", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}