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": ""}
 =+ s.n.   co L.   SQUARROSA 8  Carex ^Y4sL    6p0 1387534    f 1891-05-30   Carex squarrosa |  PROBABLY IN THE VICINITV OF WASHINGTON, DC. H^Hc   6EORGE B. SUDWORTH    &Zf cperaceae  T? UNITED STATES    y poales    VIAGINIA bw 
{"catalogNumber": "1387534", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex squarrosa", "scientificNameAuthorship": "L.", "genus": "Carex", "subgenus": "", "specificEpithet": "squarrosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George B. Sudworth", "recordNumber": "s.n.", "verbatimEventDate": "1891-05-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "", "municipality": "", "locality": "Probably in the vicinity of Washington, DC.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}