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": ""}
    4927 R8  POACEAE ^w&    5xy LARRY C. HIGGINS    Potter xv   texas b]R   Muhlenbergia |Qm      ~ Just north of the Canadian River Bridge along Hwy 87  UNITED STATES U;   QLD4* PUNGENS THURB. ]      W 1417975
{"catalogNumber": "1417975", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "Thurb.", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "pungens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Larry C. Higgins", "recordNumber": "4927", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Potter", "municipality": "", "locality": "Just north of the Canadian River Bridge along Hwy 87", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}