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": ""}
  michx.  !   cameron kDB2Q   R@ setaceum          1420009 ^   UNITED STATES u   Jku;m about 4 miles west of boca chica   PASPALUM SETACEUM SOc?  poales $QY   c. l. lundell, amelia a. lundell C   1940-05-02 2 
{"catalogNumber": "1420009", "order": "Poales", "family": "", "scientificName": "Paspalum setaceum", "scientificNameAuthorship": "Michx.", "genus": "", "subgenus": "", "specificEpithet": "setaceum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. L. Lundell, Amelia A. Lundell", "recordNumber": "", "verbatimEventDate": "1940-05-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cameron", "municipality": "", "locality": "about 4 miles west of Boca Chica", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}