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": ""}
1251574 3s     W (willd.) g. l. nesom  a+  2205  1940-09-15 kRF*2   u symphyotrichum ASTERACE4E m  42.90646 W    /VB -85.73447 ASTERALES 8J.       - Marshy field mihigan 0  Symphyotrichum pilosum )*f   XtL4  KENT  X7g  PILOSUM  clayton w. bazuin lXJW   7 [& Wyoming Sec. 16  <:_ R united states 
{"catalogNumber": "1251574", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum pilosum", "scientificNameAuthorship": "(Willd.) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "pilosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Clayton W. Bazuin", "recordNumber": "2205", "verbatimEventDate": "1940-09-15", "habitat": "Marshy field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kent", "municipality": "", "locality": "Wyoming Sec. 16", "decimalLatitude": "42.90646", "decimalLongitude": "-85.73447", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}