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": ""}
Panicum ^*    NASH E8_:a    |>%h$ 1759    *(; Poales HELLERI :a+<    D6  1894-05-14    Xw A.A. HELLER  poaceae AzdN>    aL 1108736  i9 h KERR    panicum helleri =q    K1 KERRVILLE, SOUTHERN TEXAS 
{"catalogNumber": "1108736", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum helleri", "scientificNameAuthorship": "Nash", "genus": "Panicum", "subgenus": "", "specificEpithet": "helleri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A.A. Heller", "recordNumber": "1759", "verbatimEventDate": "1894-05-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Kerr", "municipality": "", "locality": "Kerrville, Southern Texas", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}