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": ""}
VAR. 4Yt    ;aA  W. L. Tolstead  TAYLOR 4lTF        OALES apo #   t8b( |n943-05-15  (kh$ aristida  R ( mixed-prairie grassland | sandy soil ARISTIDA PURPUREA VAR. PURPUREA z     W[^ 7245 1405905 c^Up   [?n purpurea POACEAE K O.  united states Y, 7J   #A* near camp barkeley; nea edwards plateau    
{"catalogNumber": "1405905", "order": "Poales", "family": "Poaceae", "scientificName": "Aristida purpurea var. purpurea", "scientificNameAuthorship": "", "genus": "Aristida", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. L. Tolstead", "recordNumber": "7245", "verbatimEventDate": "1943-05-15", "habitat": "Mixed-prairie grassland | Sandy soil", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Taylor", "municipality": "", "locality": "Near Camp Barkeley; near Edwards Plateau", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}