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": ""}
        W^a 1548   e%yjpurpurascens Poaceae B*sPg   Calamagrostis ,?/a    1408696 @$3o    poales 2!o     o Noel H. Holmgren  ]z 1964-08-06  r5l CONTACT UM HERBARIUM  2 r. br. Nevada E3$   calamagrostis purpurasc9ens h$ 
{"catalogNumber": "1408696", "order": "Poales", "family": "Poaceae", "scientificName": "Calamagrostis purpurascens", "scientificNameAuthorship": "R. Br.", "genus": "Calamagrostis", "subgenus": "", "specificEpithet": "purpurascens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Noel H. Holmgren", "recordNumber": "1548", "verbatimEventDate": "1964-08-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Nevada", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}