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": ""}
L. r    S?  DIOSCOREA VILLOSA VILLOSA `      1934-07-14 Sp%k)     DIOSCOREACEAE KXe    43.739906 P]     1340013 T?   MICHIGAN F F   Lf& Bluff creek, alluvial meadow thicket.   <RO  Midland  
{"catalogNumber": "1340013", "order": "", "family": "Dioscoreaceae", "scientificName": "Dioscorea villosa", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "villosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1934-07-14", "habitat": "Bluff creek, alluvial meadow thicket.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Midland", "municipality": "", "locality": "", "decimalLatitude": "43.739906", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}