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": ""}
 vmE wisconsin elymus canadensis 6H<e   Washburn iV`  L. E~    POALES U7o         OCA # s.n.      1^v4u douglass houghton   $ CANADENSIS NAMEKAGON RIVER OF THE ST. CROIX E   wZ?U  1831-07  `u united states   
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Elymus canadensis", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Douglass Houghton", "recordNumber": "s.n.", "verbatimEventDate": "1831-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wisconsin", "county": "Washburn", "municipality": "", "locality": "Namekagon River of the St. Croix", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}