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": ""}
prunus M`a   ROSACEAE   gT       k/a PRUNUS PUMILA JOHN H. EHLERS K 7Pk     Michigan )vC(Y  Rosales d|  1468267  `   j=wL goose island.    pumila `NN2  L. 79<+t     Io gravelly shore. 429 |p6   45.922237 `#     
{"catalogNumber": "1468267", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus pumila", "scientificNameAuthorship": "L.", "genus": "Prunus", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "429", "verbatimEventDate": "", "habitat": "Gravelly shore.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Goose Island.", "decimalLatitude": "45.922237", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}