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": ""}
  w1E+ persicaria maculosa calvin h.> kauffman  js  s.n. fHD    S. F. GRAY fD   a holland. MARSH BORDER. gzYY0  Persicaria fEm     1469198 LH,         ) 1910-08-12 Polygonaceae y       IH4 -86.10389 
{"catalogNumber": "1469198", "order": "", "family": "Polygonaceae", "scientificName": "Persicaria maculosa", "scientificNameAuthorship": "S. F. Gray", "genus": "Persicaria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Calvin H. Kauffman", "recordNumber": "s.n.", "verbatimEventDate": "1910-08-12", "habitat": "Marsh border.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Holland.", "decimalLatitude": "", "decimalLongitude": "-86.10389", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}