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 k  wrightii     nlv UNITED STATES   & var.  O (Nash) Allred POALES r ;w   W_ texas  ~  1940-08-13  6 MI. E OF MARFA a   nF 8 FORREST SHREVE   PRESIDIO pN/K     poaceae nRjf    ! 1405983   :4 g aristida purpurea var. wrightii 9562 u    d ARISTIDA 
{"catalogNumber": "1405983", "order": "Poales", "family": "Poaceae", "scientificName": "Aristida purpurea var. wrightii", "scientificNameAuthorship": "(Nash) Allred", "genus": "Aristida", "subgenus": "", "specificEpithet": "purpurea", "verbatimTaxonRank": "var.", "infraspecificEpithet": "wrightii", "identifiedBy": "", "recordedBy": "Forrest Shreve", "recordNumber": "9562", "verbatimEventDate": "1940-08-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Presidio", "municipality": "", "locality": "6 mi. E of Marfa", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}