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": ""}
 +o (A.JUSS.) D.M.JOHNSON         _  David M. Johnson  R 1523503     c?b; CALLAEUM  Eqt/J 11596 septentrionale To            
{"catalogNumber": "1523503", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(A.Juss.) D.M.Johnson", "genus": "Callaeum", "subgenus": "", "specificEpithet": "septentrionale", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "David M. Johnson", "recordedBy": "", "recordNumber": "1156", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}