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": ""}
  2260 &,  carex KO  Cyperaceae Fe&EW   .+/5 CONTACT UM HERBARIUM  wyoming w*     e SUBSP.  C 1450772  canescens @     j .QT poales   v carex canescens subsp. canescens    ROB MASSATTI & M. NOE P   L UNITED STATES     mF7vj canescems
{"catalogNumber": "1450772", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex canescens subsp. canescens", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "canescens", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "canescens", "identifiedBy": "", "recordedBy": "Rob Massatti & M. Noe", "recordNumber": "2260", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wyoming", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}