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": ""}
  united states :tC  D. SMITH & M. HOUTS Tja1a*    / DT WASHTENAW 42.300243 |6   CIRSIUM DISCOLOR PBtE    R S.N.  tkt7 -83.662835 (muhl. ex willd.) spreng. X    |D MICHIGAN  >7 asterales  1475118   <           (yM Asteraceae university of michigan botanical gardens, dixboro site. 4.5 miles northeast of ann arbor; clement's woods NX:us 
{"catalogNumber": "1475118", "order": "Asterales", "family": "Asteraceae", "scientificName": "Cirsium discolor", "scientificNameAuthorship": "(Muhl. ex Willd.) Spreng.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "D. Smith & M. Houts", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "University of Michigan Botanical Gardens, Dixboro Site. 4.5 miles northeast of Ann Arbor; Clement's Woods", "decimalLatitude": "42.300243", "decimalLongitude": "-83.662835", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}