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": ""}
 aristida purpurascens |~m  jackson Gl  purpurscens  z,    * ARI0STIDA Roadbank of La. 34, 2 miles south of Eros. ec. 23, T16N, R1W. DN     [d4r Louisiana           2Iy poaceae   A r. dale thomas  yNR 1971-09-16   _]8  UNITED STATES  
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Aristida purpurascens", "scientificNameAuthorship": "", "genus": "Aristida", "subgenus": "", "specificEpithet": "purpurascens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Dale Thomas", "recordNumber": "", "verbatimEventDate": "1971-09-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Louisiana", "county": "Jackson", "municipality": "", "locality": "Roadbank of La. 34, 2 miles south of Eros. Sec. 23, T16N, R1W.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}