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": ""}
Dichanthelium [   H. EGGERT  za    P~ st clair co.    QBU poales  st. clair IGD6@    pq x 1878-06-18  ydo  (nash) gould  lindheimeri g  237 iTc  POACEAE H        bb illinois      r4 1429807   .w united states
{"catalogNumber": "1429807", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Nash) Gould", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "lindheimeri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. Eggert", "recordNumber": "237", "verbatimEventDate": "1878-06-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "St. Clair", "municipality": "", "locality": "St Clair Co.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}