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": ""}
united states Z$>=  Fabageae dJ|r  dane J?   DALEA PURPUREA w 9b    vent. Zg ;t    xM fabales   2v PURPUREA DALEA T|EO  Wisconsin =dppg      Lu?> 1860  [w% S.H. WATSON  madison Drq!P    O 1503255     jb@! S.N.  
{"catalogNumber": "1503255", "order": "Fabales", "family": "Fabaceae", "scientificName": "Dalea purpurea", "scientificNameAuthorship": "Vent.", "genus": "Dalea", "subgenus": "", "specificEpithet": "purpurea", "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": ""}