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. g  774        1405865 r   ; texas   Terrell X,.E       ~,t aristida 1947-04-01 s ?   <b Rocky limestone bluffs at dam site  a_ united s7ates  x|4 aristida purpurea var. nealleyi   ~ nealleyi    purpurea m`wUm 
{"catalogNumber": "1405865", "order": "", "family": "", "scientificName": "Aristida purpurea var. nealleyi", "scientificNameAuthorship": "", "genus": "Aristida", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "var.", "infraspecificEpithet": "nealleyi", "identifiedBy": "", "recordedBy": "", "recordNumber": "7754", "verbatimEventDate": "1947-04-01", "habitat": "Rocky limestone bluffs at dam site", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Terrell", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}