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": ""}
ztr douglas   _  Nutt.  CONTACT UM HERBARIUM _E)RS   pQJD 1436380    / ASPARAGALES    $Yam iris missouriensis IRIS  L   kU38 washington   l#n  14646 MISSOURIENSIS s        IRIDACEAE RrW/G   : UNITED STATES   Ex. Her. Arnold Arboretum G 
{"catalogNumber": "1436380", "order": "Asparagales", "family": "Iridaceae", "scientificName": "Iris missouriensis", "scientificNameAuthorship": "Nutt.", "genus": "Iris", "subgenus": "", "specificEpithet": "missouriensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ex. Herb. Arnold Arboretum", "recordNumber": "14646", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Washington", "county": "Douglas", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}