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": ""}
   1949-08-05 =MK`_   `W,a|v Mark P. Widrlechner  fQ Alaska      95YF arc:ticus      harvey alfred mi ller    a/ subsp.  stellatus b  rosaceae DXC    (sm.) b. boivin K     46c rosales  
{"catalogNumber": "", "order": "Rosales", "family": "Rosaceae", "scientificName": "", "scientificNameAuthorship": "(Sm.) B. Boivin", "genus": "", "subgenus": "", "specificEpithet": "arcticus", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "stellatus", "identifiedBy": "Mark P. Widrlechner", "recordedBy": "Harvey Alfred Miller", "recordNumber": "", "verbatimEventDate": "1949-08-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Alaska", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}