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": ""}
coleat4enia rigidula e][    Poales `JvRz  MISSOURI      S.N.    GEORGE W. LETTERMAN <rZ  allenton #=   rigidula 3=I L      0 1897-08-10   U 152   st. louis 0*_   -r&DR coleataenia POACEAE $    +&U  (BOSC EX NEES LEBLOND   1426635 2   united states =2 , 
{"catalogNumber": "1426635", "order": "Poales", "family": "Poaceae", "scientificName": "Coleataenia rigidula", "scientificNameAuthorship": "(Bosc ex Nees) LeBlond", "genus": "Coleataenia", "subgenus": "", "specificEpithet": "rigidula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George W. Letterman", "recordNumber": "s.n.", "verbatimEventDate": "1897-08-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Missouri", "county": "St. Louis", "municipality": "", "locality": "Allenton", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "152", "maximumElevationInMeters": ""}