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": ""}
  1897-05-M18 4`V   VBjw  Cabin John grpm 4B1911 C9G_0     PXB6 lyrata   , Salvia montgomery 3zYCf   Salvia lyrata X  Lamiales u     g maryland    ADta& s.n.   eR 1519204   united states ,0p~  A.J. PIETERS   w    DfM l. 
{"catalogNumber": "1519204", "order": "Lamiales", "family": "", "scientificName": "Salvia lyrata", "scientificNameAuthorship": "L.", "genus": "Salvia", "subgenus": "", "specificEpithet": "lyrata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A.J. Pieters", "recordNumber": "s.n.", "verbatimEventDate": "1897-05-18", "habitat": "", "occurrenceRemarks": "GRPM 41911", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "Montgomery", "municipality": "", "locality": "Cabin John", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}