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": ""}
  C?x 303  ]g.BZ nealleyi  u P var.   ligan canyon, blackstone ranch 20 miles s of sheffield DM  aristida K H_    IVx (vasey) allred  u texas Rim-rock in canyon nsig   ` G. L. WEBSTER & K. I. MILLER   91UF: Poaceae  jx aristida purpurea var. nealleyi  united states P A     p TERRELL    poales aJ.   purpurea B$oC    O 1405841
{"catalogNumber": "1405841", "order": "Poales", "family": "Poaceae", "scientificName": "Aristida purpurea var. nealleyi", "scientificNameAuthorship": "(Vasey) Allred", "genus": "Aristida", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "var.", "infraspecificEpithet": "nealleyi", "identifiedBy": "", "recordedBy": "G. L. Webster & K. I. Miller", "recordNumber": "303", "verbatimEventDate": "", "habitat": "Rim-rock in canyon", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Terrell", "municipality": "", "locality": "Ligan Canyon, Blackstone Ranch 20 miles S of Sheffield", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}