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": ""}
   JOHN H. EHLERS & LOIS S. EHLERS f8 r    M.*  ARIZONA  =RDD dasyochloa pulchella  K21 1410075   b0 ]s United States   1938-05-11 4^          K t(kunth) willd. ex rydb. YAVAPAI  ! g    n 6536   q|3* pulchella DASYOCHLA #Jc_#    R  POACEAE 
{"catalogNumber": "1410075", "order": "", "family": "Poaceae", "scientificName": "Dasyochloa pulchella", "scientificNameAuthorship": "(Kunth) Willd. ex Rydb.", "genus": "Dasyochloa", "subgenus": "", "specificEpithet": "pulchella", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers & Lois S. Ehlers", "recordNumber": "6536", "verbatimEventDate": "1938-05-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arizona", "county": "Yavapai", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}