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": ""}
 W0K2$ Spiraea   ALBA 5    |kV 1949-07-10  y451  agnes r. kugel  L R0SACEAE  Pa 5059   spiraea ala p       I1^] 1471163    US(Z clay knoll in marsh.   C Rosales MICHIGAN :     
{"catalogNumber": "1471163", "order": "Rosales", "family": "Rosaceae", "scientificName": "Spiraea alba", "scientificNameAuthorship": "", "genus": "Spiraea", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Agnes R. Kugel", "recordedBy": "", "recordNumber": "5059", "verbatimEventDate": "1949-07-10", "habitat": "Clay knoll in marsh.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}