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": ""}
  head of palmer creek valley, n kenai peninsula Y/   ?qmc alpigena  DK7_/ poa          Kenai Peninsula ^#m   cZ w. s. benninghoff  Le 1951-07-18   Poa alpigena  *   5529 9   UNITED STATES $    Poales    
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Poa alpigena", "scientificNameAuthorship": "", "genus": "Poa", "subgenus": "", "specificEpithet": "alpigena", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W. S. Benninghoff", "recordNumber": "5529", "verbatimEventDate": "1951-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Kenai Peninsula", "municipality": "", "locality": "head of Palmer Creek Valley, N Kenai Peninsula", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}