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": ""}
   1950-05-25 r,      -7>= SAXIFRAGALES   Allegan SY a~     83Vb 7 mi. w of allegan, an impoundmentof swan creek. -85.98942 WQW    J abundant. 11267  E          L.  jB6D ROGERS MCVAUGH  MITELLA DIPHYLLA j 
{"catalogNumber": "", "order": "Saxifragales", "family": "", "scientificName": "Mitella diphylla", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh", "recordNumber": "11267", "verbatimEventDate": "1950-05-25", "habitat": "", "occurrenceRemarks": "Abundant.", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Allegan", "municipality": "", "locality": "7 mi. W of Allegan, an impoundment of Swan Creek.", "decimalLatitude": "", "decimalLongitude": "-85.98942", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}