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": ""}
 md L.  s.n. t9  4sg[ RHUS  Ar+ TYPHINA       ANACARDIACEAE 0 ,g  WISCONSIN ?E  RHUS TYPHINA __n[0          ! C S.H. WATSON 1860  .Fx   /^ united states  , DANE  (/u MADISON  B 3 1505800
{"catalogNumber": "1505800", "order": "", "family": "Anacardiaceae", "scientificName": "Rhus typhina", "scientificNameAuthorship": "L.", "genus": "Rhus", "subgenus": "", "specificEpithet": "typhina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S.H. Watson", "recordNumber": "s.n.", "verbatimEventDate": "1860", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wisconsin", "county": "Dane", "municipality": "", "locality": "Madison", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}