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": ""}
Contact UM Herbarium ,C      x  Malpighiales 1968-03-21 2g+?   # gerdt hatschbach  18809 y|   T?.? David M. Johnson    ]F (A. JUSS.) D.M. JOHNSON CALLAEUM nr       l& CALLAEUM PSILOPHYLLUM  1523390 ,l>iv       Malpighiaceae > ,3 
{"catalogNumber": "1523390", "order": "Malpighiales", "family": "Malpighiaceae", "scientificName": "Callaeum psilophyllum", "scientificNameAuthorship": "(A. Juss.) D.M. Johnson", "genus": "Callaeum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "David M. Johnson", "recordedBy": "Gerdt Hatschbach", "recordNumber": "18809", "verbatimEventDate": "1968-03-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}