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": ""}
  @` 1911-08-05  PIPTATHERUM j4:   n (trin. & rupr.) barkworth    Mm poaceae     n:hma Piptatherum micranthum     I micranthum    n Colorado  w?Vf MOUNT AXTELL REGION     I. TIDESTROM    c 4011   GUNNISON pA 
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Piptatherum micranthum", "scientificNameAuthorship": "(Trin. & Rupr.) Barkworth", "genus": "Piptatherum", "subgenus": "", "specificEpithet": "micranthum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "I. Tidestrom", "recordNumber": "4011", "verbatimEventDate": "1911-08-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Colorado", "county": "Gunnison", "municipality": "", "locality": "Mount Axtell Region", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}