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": ""}
 ?+ 1423452        r| SCHIZACHYRIUM SCOPARIUM     , poaceae  V 1904-09-24  B!  (michx.) nash  .(W barbour  OjN schizachyrium     e H WEST VIRGINIA scoparium 5+    AX| near Tygart Junction UNITED STATES +    2547 :A2   [?9 a. h. moore
{"catalogNumber": "1423452", "order": "", "family": "Poaceae", "scientificName": "Schizachyrium scoparium", "scientificNameAuthorship": "(Michx.) Nash", "genus": "Schizachyrium", "subgenus": "", "specificEpithet": "scoparium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. H. Moore", "recordNumber": "2547", "verbatimEventDate": "1904-09-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "West Virginia", "county": "Barbour", "municipality": "", "locality": "near Tygart Junction", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}