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": ""}
  epxi L.  s.n. #3R9  washtenaw mB   5UO POLYGALA  hr_L MICHIGAN   i POLYGALACEAE FABALES h_2Luq   7e9 carl d. larue    j 1472820  POLYGALA SENEGA yV~ `   hlqO> united states 1915-06-1 O    X`2 42.28228 -83.7251 uKK(      s   SENEGA  
{"catalogNumber": "1472820", "order": "Fabales", "family": "Polygalaceae", "scientificName": "Polygala senega", "scientificNameAuthorship": "L.", "genus": "Polygala", "subgenus": "", "specificEpithet": "senega", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl D. LaRue", "recordNumber": "s.n.", "verbatimEventDate": "1915-06-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "42.28228", "decimalLongitude": "-83.7251", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}