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": ""}
  poales 3mD    u3mjx CAREX     q CANADA   x carex muehlenbergii var. muehlenbergii   var. [C   ^ g [ MU7EHLENBERGII  MICHAEL J. OLDHAM f NH       ( 3 UTM 307807, MAP 40J/6, SQUARE 17LS38  Oa@uG 6594   ; City of Windsor, Springarden Road Prairie.   
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex muehlenbergii var. muehlenbergii", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "muehlenbergii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "6594", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "", "municipality": "", "locality": "City of Windsor, Springarden Road Prairie.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "UTM 307807, Map 40J/6, Square 17LS38", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}