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": ""}
 23813 B       z Q^ 1949-09-11     F POLYGONACEAE  3g& PERSICARIA WALLICHII   2 g persicaria  0p3> evergreen forest     h$F& East Khasi Hills       > greuter & burdet     
{"catalogNumber": "", "order": "", "family": "Polygonaceae", "scientificName": "Persicaria wallichii", "scientificNameAuthorship": "Greuter & Burdet", "genus": "Persicaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "23813", "verbatimEventDate": "1949-09-11", "habitat": "Evergreen forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "East Khasi Hills", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}