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": ""}
 uh elymus   9+r y From July 27-Aug 5, Houghton was mostly on the Namekagon, in B+ayfield, Sawyer, Washburn, & Burnett Cos.  :1;I Poales   1!)m WASHBURN    elymus canadensis ;C$5  L. Dwq)   caadensis  |     DOUGLAS HOUGHTON K?s  Poaceae 6P& )     S.N.    NAMEKAGON RIVER OF THE ST. CROIX   1831-07 brVuf  UNITED STATES       
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Elymus canadensis", "scientificNameAuthorship": "L.", "genus": "Elymus", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Douglass Houghton", "recordNumber": "s.n.", "verbatimEventDate": "1831-07", "habitat": "", "occurrenceRemarks": "From July 27-Aug 5, Houghton was mostly on the Namekagon, in Bayfield, Sawyer, Washburn, & Burnett Cos.", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washburn", "municipality": "", "locality": "Namekagon River of the St. Croix", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}