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": ""}
aspera ~(    oliver a. farwell Y,x    1920-09-01 :    42.3414 SJ;-   aI: michx. -83.0514  Y//    4% detroit  9  Wayne Liatris t. #     -Yx ASTERALES     WGEPE LI4TRIS ASPERA United States 3  ~     
{"catalogNumber": "", "order": "Asterales", "family": "", "scientificName": "Liatris aspera", "scientificNameAuthorship": "Michx.", "genus": "Liatris", "subgenus": "", "specificEpithet": "aspera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "", "verbatimEventDate": "1920-09-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Wayne", "municipality": "", "locality": "Detroit", "decimalLatitude": "42.3414", "decimalLongitude": "-83.0514", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}