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": ""}
 [ united states  f~  ira w. butterfield     -83.653525     ASPARAGACEAE 9   U|#v 1338996     .   43.587276  %X AIANTHEMUM   U JAHR SITE, WISNR TWP.    1962-05-21  jeOo      s.n. sPX   
{"catalogNumber": "1338996", "order": "", "family": "Asparagaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Maianthemum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ira W. Butterfield", "recordNumber": "s.n.", "verbatimEventDate": "1962-05-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Jahr Site, Wisner Twp.", "decimalLatitude": "43.587276", "decimalLongitude": "-83.653525", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}