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": ""}
     ` k?  MALPIGHIALES  lindheimeri +v?j   ,  contact um herbarium  Salix p@x7K     salix nigra var. lindheimeri |o9Lc    t*Q salicaceae   [sU/4 nigra    cooke E    Y7%h VAA. C.K. Schneid. PM&J   n TEXAS  United States m$u   G 1456706
{"catalogNumber": "1456706", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix nigra var. lindheimeri", "scientificNameAuthorship": "C.K. Schneid.", "genus": "Salix", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "var.", "infraspecificEpithet": "lindheimeri", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Cooke", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}