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": ""}
   muehlenbergii =x]m  -78.496667 z:kdA    21580A M   1379950 qVQ.  ontario t` :;   44.105333 n(2       Carex muehlenbergii var. muehlenbergii        ms CAREX  6% MICHAEL J. OLDHAM & WASYL D. BAKOWSKY Poales l<   e*yJk MUEHLENBERGII  
{"catalogNumber": "1379950", "order": "Poales", "family": "", "scientificName": "Carex muehlenbergii var. muehlenbergii", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "muehlenbergii", "verbatimTaxonRank": "", "infraspecificEpithet": "muehlenbergii", "identifiedBy": "", "recordedBy": "Michael J. Oldham & Wasyl D. Bakowsky", "recordNumber": "21580a", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "", "decimalLatitude": "44.105333", "decimalLongitude": "-78.496667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}