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": ""}
   <El`u UNITED STATES 1956-06-17 3   P= (DESV.) RYDB.  1464199 !x t  SAGINAW =     palustris )m|   + HISPIDA   K Brassicales     H 2 Ronald L. Stuckey Rorippa palustris var. hispida _EgW  oakley rd., w of m-47 0?O    Frederick W. Case, Jr. B    aK p MICHGAN
{"catalogNumber": "1464199", "order": "Brassicales", "family": "", "scientificName": "Rorippa palustris var. hispida", "scientificNameAuthorship": "(Desv.) Rydb.", "genus": "", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "hispida", "identifiedBy": "Ronald L. Stuckey", "recordedBy": "Frederick W. Case, Jr.", "recordNumber": "", "verbatimEventDate": "1956-06-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Saginaw", "municipality": "", "locality": "Oakley Rd., W of M-47", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}