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": ""}
   U POACEAE   :dJP, themeda   contact um herbarium K    $ Themeda quadrivalvis  16889  ,z     POALES   1425197 :|   United Stat3s m   LPOUISIANA 6nF   h 1984-09-06     X (L.) KUNTZE   William D. Reese, G. Landry, ~D. Waters   
{"catalogNumber": "1425197", "order": "Poales", "family": "Poaceae", "scientificName": "Themeda quadrivalvis", "scientificNameAuthorship": "(L.) Kuntze", "genus": "Themeda", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William D. Reese, G. Landry, D. Waters", "recordNumber": "16889", "verbatimEventDate": "1984-09-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Louisiana", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}