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": ""}
hallii G    Hx L8 1968-09-06  WIPFF  T      9dP LeRoy H. Harvey   SUBSP. kZA       nP) roadside  1404705 $xw:    H UNITED STATES poales M?  poaceae -    P gerarii  ANDROPOG0N GERARDII SUBSP. HALLII pftT 
{"catalogNumber": "1404705", "order": "Poales", "family": "Poaceae", "scientificName": "Andropogon gerardii subsp. hallii", "scientificNameAuthorship": "Wipff", "genus": "", "subgenus": "", "specificEpithet": "gerardii", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "hallii", "identifiedBy": "", "recordedBy": "LeRoy H. Harvey", "recordNumber": "", "verbatimEventDate": "1968-09-06", "habitat": "roadside", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}