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": ""}
POLYGONACEAE _    B8% sALLEGAN      Anton A. Reznicek O-   W| 42.49078        PERSICARIA VIRGINIANA ? n     o russell g. schipper   F`4  allegan state game area. ca. 2.75 miles sse of allegan. ca. 250 meters e of 30th street, on ne side of williams bridge road. kalamazoo river.    
{"catalogNumber": "", "order": "", "family": "Polygonaceae", "scientificName": "Persicaria virginiana", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Russell G. Schipper", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Allegan", "municipality": "", "locality": "Allegan State Game Area. Ca. 2.75 miles SSE of Allegan. Ca. 250 meters E of 30th Street, on NE side of Williams Bridge Road. Kalamazoo River.", "decimalLatitude": "42.49078", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}