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": ""}
    purpurea -S;   united states  8     c@tn (VASEY) ALLRED   Bluffs, banks of the Rio Grande | Almost bare ig3neous rocks P    1&9 Brewster   5 D_ var.  NEALLEYI     E on bluffs; banks of the rio grande, 3 mi. e of castolon       1941-06-16  2! Poaceae ARISTIDA PURPUREA VAR. NEALLEYI    
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Aristida purpurea var. nealleyi", "scientificNameAuthorship": "(Vasey) Allred", "genus": "", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "var.", "infraspecificEpithet": "nealleyi", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1941-06-16", "habitat": "Bluffs, banks of the Rio Grande | Almost bare igneous rocks", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Brewster", "municipality": "", "locality": "On bluffs; banks of the Rio Grande, 3 mi. E of Castolon", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}