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": ""}
  ,+ CAREX  U 8 RUSSIA on w. side of railway 1 km. s. of shushari railway station, 15 km s. of leningrad F     K<> Edge of ditch         M>  A.O. Chater     s.n. UXQR    l. LYIQ  POALES +x^sb    XtqF CyperaceaIe vulpina sW   leningrad ?,vV 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Carex", "subgenus": "", "specificEpithet": "vulpina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A.O. Chater", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Edge of ditch", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Russia", "stateProvince": "Leningrad", "county": "", "municipality": "", "locality": "On W. side of railway 1 km. S. of Shushari railway station, 15 km S. of Leningrad", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}