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": ""}
 R s.s. visher  UNITED STATES f     R;v SOUTH DAKOTA  (STEUD.) VASEY D  2564 .JlAc   ?H 1911-07-28   poaceae  $      ARISTIDA PURPUREA VAR. LONGISETA wnY=z   m purpurea  longiseta B  Poales k     LR/Th FALL RIVER Edgemont :0 ~G   SANDY RIDGES y?yOE 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Aristida purpurea var. longiseta", "scientificNameAuthorship": "(Steud.) Vasey", "genus": "", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "", "infraspecificEpithet": "longiseta", "identifiedBy": "", "recordedBy": "S.S. Visher", "recordNumber": "2564", "verbatimEventDate": "1911-07-28", "habitat": "Sandy ridges", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Dakota", "county": "Fall River", "municipality": "", "locality": "Edgemont", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}