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": ""}
        .dcO4 1957-03-19  G4 E.A. MANRIQUE      EN58 poaceae  [& _ Poales  m0 reid v. moran        E>2 SCHIZACHYRIUM  _ * SANGUINEUM    UFd (retz.) alston 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Retz.) Alston", "genus": "Schizachyrium", "subgenus": "", "specificEpithet": "sanguineum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "E.A. Manrique", "recordedBy": "Reid V. Moran", "recordNumber": "", "verbatimEventDate": "1957-03-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}