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": ""}
18 miles SE of Hattiesburg &2   9 3435  A POACEAE  e9A* Grady L. Webster & R. L. Wilbur   ga,  Poales   ovale sVB@i        gA forrest      S dgR united states  , lUB (Elliott) Gould & C. A. Clark  W;<  MISSISSIPPI  C% Dichanthelium ovale  H3 1950-07-17    1430143  X 
{"catalogNumber": "1430143", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium ovale", "scientificNameAuthorship": "(Elliott) Gould & C. A. Clark", "genus": "", "subgenus": "", "specificEpithet": "ovale", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Grady L. Webster & R. L. Wilbur", "recordNumber": "3435", "verbatimEventDate": "1950-07-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Mississippi", "county": "Forrest", "municipality": "", "locality": "18 miles SE of Hattiesburg", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}