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": ""}
 7 langsdorfii  0Tf CONTAC1T UMHERBARIUM    F.V. Coville S    M>0.w VAR.  1408458 M(          alaska ia[FU   vX) United States Calamagrostis canadensis var. langsdorfii wge   1899-07-19 ~  ^   CNADENSIS m  poaceae jm.  Poales P  
{"catalogNumber": "1408458", "order": "Poales", "family": "Poaceae", "scientificName": "Calamagrostis canadensis var. langsdorfii", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "langsdorfii", "identifiedBy": "", "recordedBy": "F.V. Coville", "recordNumber": "", "verbatimEventDate": "1899-07-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}