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+ K elegans   MELANTHIACEAE +    Pds 1951-08-12   -83.3095 l/d   m Vnt (pursh) rydb.  8 44.8378   a^ Anticlea  anticlea elegans 97   `S  on wet sandy shores of l4ke huron. Liliales Q*v       F F 12528 Rogers McVaugh 5d@      
{"catalogNumber": "", "order": "Liliales", "family": "Melanthiaceae", "scientificName": "Anticlea elegans", "scientificNameAuthorship": "(Pursh) Rydb.", "genus": "Anticlea", "subgenus": "", "specificEpithet": "elegans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh", "recordNumber": "12528", "verbatimEventDate": "1951-08-12", "habitat": "On wet sandy shores of Lake Huron.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "44.8378", "decimalLongitude": "-83.3095", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}