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": ""}
madison  zm&   2 S.N.   1860 r  Asterales     R] vernonia  Ad fasciculata   -89.40123    43.07305 RwP    xib asteraceae  x wisconsin    B 15399 98 VERNONIA FASCICULATA qac,   K4V DANE   V S.H. WATSON    michx. Q17  United States *y`S 
{"catalogNumber": "1539998", "order": "Asterales", "family": "Asteraceae", "scientificName": "Vernonia fasciculata", "scientificNameAuthorship": "Michx.", "genus": "Vernonia", "subgenus": "", "specificEpithet": "fasciculata", "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": "43.07305", "decimalLongitude": "-89.40123", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}