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": ""}
    wahlenb.  i[   buxbaumii   MA0     carex buxbaumii f  MINNESOTA $T&R         D%  poales lyndon b. gerdes & a. l. doerr @7!7J   y CONTACT UM HERBARIUM    8]9Vx 1450506    ~MN 6122
{"catalogNumber": "1450506", "order": "Poales", "family": "", "scientificName": "Carex buxbaumii", "scientificNameAuthorship": "Wahlenb.", "genus": "", "subgenus": "", "specificEpithet": "buxbaumii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lyndon B. Gerdes & A. L. Doerr", "recordNumber": "6122", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Minnesota", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}