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": ""}
 B BERRIEN   2016-10-05 K @v     L  Edge of hedgerow; dry soil.    1H turcz. Abundant tubers produced on stems; some not yet mature. Local; one sprawling clump 10 feet in diameter. @R   w T7S R17W E1/2 S22 Ca. 400 meters north of Meade Road and 270 meters west of M-5; where farm field abuts wood;ed slope above Dowagiac River, at the end of a gully ANTON A. RIEZNICEK lW`a   -86.23H807<22 5xhd   Dioscorea polystachya TSZ   41.8720194 SGU`   R fN DIOSCOREACEAE     William W. Brodovich Fg    POLYSTACHYA qYUy  
{"catalogNumber": "", "order": "", "family": "Dioscoreaceae", "scientificName": "Dioscorea polystachya", "scientificNameAuthorship": "Turcz.", "genus": "", "subgenus": "", "specificEpithet": "polystachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "William W. Brodovich", "recordNumber": "", "verbatimEventDate": "2016-10-05", "habitat": "Edge of hedgerow; dry soil.", "occurrenceRemarks": "Abundant tubers produced on stems; some not yet mature. Local; one sprawling clump 10 feet in diameter.", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Berrien", "municipality": "", "locality": "T7S R17W E1/2 S22 Ca. 400 meters north of Meade Road and 270 meters west of M-5; where farm field abuts wooded slope above Dowagiac River, at the end of a gully", "decimalLatitude": "41.8720194", "decimalLongitude": "-86.2380722", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}