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": ""}
1990-05-13 8F   wz CAREX SQUARROSA Poales (A     ] ARKANSAS   polk ]U     )  lm cyperaceae L. ew    4655 -   UNITED STATES g D_   n 50 METERS  N ON HWY 71 FROM ITS JCT WITH POLK COUNTY ROAD 414, N OF HATFIELD.  -j STANLEY D. JONES & GRETCHEN D. JONES      Pq.6 squarrosa  3  Carex  1387492 n@+ | 
{"catalogNumber": "1387492", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex squarrosa", "scientificNameAuthorship": "L.", "genus": "Carex", "subgenus": "", "specificEpithet": "squarrosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Stanley D. Jones & Gretchen D. Jones", "recordNumber": "4655", "verbatimEventDate": "1990-05-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Polk", "municipality": "", "locality": "50 meters N on Hwy 71 from its jct with Polk County Road 414, N of Hatfield.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}