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": ""}
  @ 1967-06-20 l. o         canadense bR* WF   4_u^> -83.662835    W Anton A. ReXznicek   r 1475007  <fg allium canadense  amaryllidaceae n1*~   2071 t  ALLIUM -u   42.300243 veo  NITED STATES se   E.L. McWilliams  sq<!  
{"catalogNumber": "1475007", "order": "", "family": "Amaryllidaceae", "scientificName": "Allium canadense", "scientificNameAuthorship": "L.", "genus": "Allium", "subgenus": "", "specificEpithet": "canadense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "E.L. McWilliams", "recordNumber": "2071", "verbatimEventDate": "1967-06-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.300243", "decimalLongitude": "-83.662835", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}