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": ""}
   6MnR Prumus americana  1)UT  7581 1468c058 R    ?.>>U marshall  43.136514 p     Michigan U=h      ;=  frequeant tall shrub, edge of thicket. united states O-=^R       prunus yn)   t -85.196595  montcalm kn   qw)H Edward G. Voss  S # americana
{"catalogNumber": "1468058", "order": "", "family": "", "scientificName": "Prunus americana", "scientificNameAuthorship": "Marshall", "genus": "Prunus", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "7581", "verbatimEventDate": "", "habitat": "Frequent tall shrub, edge of thicket.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Montcalm", "municipality": "", "locality": "", "decimalLatitude": "43.136514", "decimalLongitude": "-85.196595", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}