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": ""}
 POA NERVOSA zt       r*ZmG Poaceae  Q+ Montana    LEROY H. HARVEY .    H 1421869   C9  NERVOSA  1968-07-16 [2W    dz ?a POA   (HOOK.) VASEY )?Y|   G/ 10 miles east of spalkaho pass  poales -xj3l   
{"catalogNumber": "1421869", "order": "Poales", "family": "Poaceae", "scientificName": "Poa nervosa", "scientificNameAuthorship": "(Hook.) Vasey", "genus": "Poa", "subgenus": "", "specificEpithet": "nervosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "LeRoy H. Harvey", "recordNumber": "", "verbatimEventDate": "1968-07-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Montana", "county": "", "municipality": "", "locality": "10 miles east of Spalkaho Pass", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}