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": ""}
  a MICHIGAN   >eU4 Ronald L. Stuckey BORDER OF SILVER LAKE, W PART OF ALGER CO. z    SYLVESTRIS c 4:   ~ 1464238  "PLENTIFUL." [MICH SHEET OMITS "DAMP GROUND" DAND SAYS "APPARENTLY INFREQU3NT" RATHER THAN "PLENTIFUL."] ,W0oj       (l.) besser nm[S6   ` 213      q!  RORIPPA SYLVESTRIS 1916-06-29 )    
{"catalogNumber": "1464238", "order": "", "family": "", "scientificName": "Rorippa sylvestris", "scientificNameAuthorship": "(L.) Besser", "genus": "", "subgenus": "", "specificEpithet": "sylvestris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Ronald L. Stuckey", "recordedBy": "", "recordNumber": "213", "verbatimEventDate": "1916-06-29", "habitat": "", "occurrenceRemarks": "\"Plentiful.\" [MICH sheet omits \"damp ground\" and says \"Apparently infrequent\" rather than \"plentiful.\"]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Border of Silver Lake, W part of Alger Co.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}