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": ""}
 bu 1902-08 CYPERUS GRAYI &3<N      S.N.  `R       uited states z  bL  1430810 0~A+   P*tQ grayi     VIRGINIA BEACH tBi Y  cyperus jI  albert s. hitchcock 6)lu     KD Virginia  Torr. wkhj 
{"catalogNumber": "1430810", "order": "", "family": "", "scientificName": "Cyperus grayi", "scientificNameAuthorship": "Torr.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "grayi", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Albert S. Hitchcock", "recordNumber": "s.n.", "verbatimEventDate": "1902-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "", "municipality": "", "locality": "Virginia Beach", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}