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": ""}
    langsdorfii b(j)B    E=G var.  M3 Ct 1408460  ? j. p. anderson  -M s calamagrostis   ^  contact um herbarium     ALASKA 0+  poaceae  ~hw7    e # canadensis    *- ; UNITED STATES    
{"catalogNumber": "1408460", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Calamagrostis", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "langsdorfii", "identifiedBy": "", "recordedBy": "J. P. Anderson", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}