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": ""}
 E=   madison  vs JJ DANE    > united states   vernonia fasciculata / /,  asteraceae Rf+    `m 1539999  &`` -89.40123   y <Y 43.7305      @x_ S.H. WATSON   WISCONSIN U?429     s.n.  xa `   
{"catalogNumber": "1539999", "order": "", "family": "Asteraceae", "scientificName": "Vernonia fasciculata", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "S.H. Watson", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wisconsin", "county": "Dane", "municipality": "", "locality": "Madison", "decimalLatitude": "43.07305", "decimalLongitude": "-89.40123", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}