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": ""}
  k8 - purpurea   C( ARISTIDA PURPUREA VAR. LONGISETA  var. u)4R  1938-06-10 gy  6937 e      7l6 jefferson Poaceae *OW  hig lains base of lookout mountain. golden. z?  united states eo    `x$< john h. ehlers    Lw longiseta   1405787 z  P     Rc (STEUD.) VASEY Colorado 8Sn  aristida U&(&]    rtQ POALES
{"catalogNumber": "1405787", "order": "Poales", "family": "Poaceae", "scientificName": "Aristida purpurea var. longiseta", "scientificNameAuthorship": "(Steud.) Vasey", "genus": "Aristida", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "var.", "infraspecificEpithet": "longiseta", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "6937", "verbatimEventDate": "1938-06-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Jefferson", "municipality": "", "locality": "High plains base of Lookout Mountain. Golden.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}