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": ""}
  map9le  river west of pellston, v  UNITED STATES T l    1xd/l 1921-08-21  5.55202  K/7       -84.79715 Q@  ajohn h. ehlers N     1249723 #  open pasture, OX     :dtGt  ambrosia   AMBROSIA PSILOSTACHYA J    OA ASTERALES Emmet  _w:/ 
{"catalogNumber": "1249723", "order": "Asterales", "family": "", "scientificName": "Ambrosia psilostachya", "scientificNameAuthorship": "", "genus": "Ambrosia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "1921-08-21", "habitat": "Open pasture,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Emmet", "municipality": "", "locality": "Maple River west of Pellston,", "decimalLatitude": "45.55202", "decimalLongitude": "-84.79715", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}