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": ""}
5460 .Z.  DIOSCOREA FLORIBUNDA W/    1840-06 IP     cntact um herb=arium oP>       b |145622  FLORIBUNDA dQ5C  Mexico &UR  dioscoreaceae g~%   2d Dioscoreales   t Dioscorea  H. Galeotti I   M. Martens & Galeotti        
{"catalogNumber": "1145622", "order": "Dioscoreales", "family": "Dioscoreaceae", "scientificName": "Dioscorea floribunda", "scientificNameAuthorship": "M. Martens & Galeotti", "genus": "Dioscorea", "subgenus": "", "specificEpithet": "floribunda", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. Galeotti", "recordNumber": "5460", "verbatimEventDate": "1840-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}