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": ""}
    e 1985-06-30   DICHANTHELIUM COLUMBIANUM  R V   NeHK 3380 columbianum ye     E [NOTE DOUBLE VESTITURE ON UPPERMOST SHEATHS OF MOST CULMS]   RMn BRIAN T. HAZLETT  45.41577  Eq +        , michigan 1239735  |<_         ?= POALES
{"catalogNumber": "1239735", "order": "Poales", "family": "", "scientificName": "Dichanthelium columbianum", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "columbianum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Brian T. Hazlett", "recordNumber": "3380", "verbatimEventDate": "1985-06-30", "habitat": "", "occurrenceRemarks": "[note double vestiture on uppermost sheaths of most culms]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.41577", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}