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": ""}
  30A poaceae     Dz    setaceum   a VIRGINIUS H. CHASE TAZEWELL gPnj-     uU O` var. united states `bq   A? (michx.) vasey illinois ?       ciliatifolium    SAND HILL JCX   1952-07-29 4y$&&  POALES B    
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Michx.) Vasey", "genus": "", "subgenus": "", "specificEpithet": "setaceum", "verbatimTaxonRank": "var.", "infraspecificEpithet": "ciliatifolium", "identifiedBy": "", "recordedBy": "Virginius H. Chase", "recordNumber": "", "verbatimEventDate": "1952-07-29", "habitat": "sand hill", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "Tazewell", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}