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": ""}
    m -83.74083    1961-06-20 ?=   clintonia borealis RiI    .R z8 1338551   E MICHIGAN  44.07333 AtZ   rErCB Arenac  VNG_Q LILIACEAE    borealis YKz+1   clintonia 3  S.N. d3D   United States : 
{"catalogNumber": "1338551", "order": "", "family": "Liliaceae", "scientificName": "Clintonia borealis", "scientificNameAuthorship": "", "genus": "Clintonia", "subgenus": "", "specificEpithet": "borealis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1961-06-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Arenac", "municipality": "", "locality": "", "decimalLatitude": "44.07333", "decimalLongitude": "-83.74083", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}