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": ""}
 6QB,  COLUMBUS  ^QDj 1430370   1t@D United States     polyanthes  94 (schult.) mohlenbr.   bQE POALES       1904 [$o%     POACEAE =3  W. E. KELLERMAN k    Dichanthelium polyanthes 0d     J  oichanthelium 
{"catalogNumber": "1430370", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium polyanthes", "scientificNameAuthorship": "(Schult.) Mohlenbr.", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "polyanthes", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. E. Kellerman", "recordNumber": "", "verbatimEventDate": "1904", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Columbus", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}