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": ""}
15717  ixDh   *=  p 42 45.73 N, 81 28.01 W 1225191 cD$  subsp. a t&        U( Lappula squarrosa subsp. squarrosa  ONTARIO n   zT! suarrosa  WW!ar 42.76221  ]r@ lappula elgin H?L5q   uO0f  richard k. rabeler -81.46685 ?   squarrosa 2QE=  SOUTHWOLD TWP., 7HAMES RIVER SIDING, 6.7 KM SSW OF MUNCEY POST OFFICE Q /   s 1993-09-14  _K: michael j. oldham ORAGINALES  !(   Canada _|   Boraginaceae I+W   Sg*| rare along railway tracks
{"catalogNumber": "1225191", "order": "Boraginales", "family": "Boraginaceae", "scientificName": "Lappula squarrosa subsp. squarrosa", "scientificNameAuthorship": "", "genus": "Lappula", "subgenus": "", "specificEpithet": "squarrosa", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "squarrosa", "identifiedBy": "Richard K. Rabeler", "recordedBy": "Michael J. Oldham", "recordNumber": "15717", "verbatimEventDate": "1993-09-14", "habitat": "rare along railway tracks", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Elgin", "municipality": "", "locality": "Southwold Twp., Thames River Siding, 6.7 km SSW of Muncey Post Office", "decimalLatitude": "42.76221", "decimalLongitude": "-81.46685", "verbatimCoordinates": "42 45.73 N, 81 28.01 W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}