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": ""}
  X:L juncus brevicaudatus  j. b. moyle G69E      oQ2 itasca park, headwaters of the mississippi river.   s.n. K  muck %i)1  juncaceae Q6)w   1933-07-21 i4l  brevicaudatus +     L Minnesota Poales Vgf%  (Engelm.) Fernald +$3     &$ United States 1447448 4MS-   juncus   4   
{"catalogNumber": "1447448", "order": "Poales", "family": "Juncaceae", "scientificName": "Juncus brevicaudatus", "scientificNameAuthorship": "(Engelm.) Fernald", "genus": "Juncus", "subgenus": "", "specificEpithet": "brevicaudatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. B. Moyle", "recordNumber": "s.n.", "verbatimEventDate": "1933-07-21", "habitat": "Muck", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Minnesota", "county": "", "municipality": "", "locality": "Itasca Park, headwaters of the Mississippi River.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}