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": ""}
 KMzW tristis  3R SALIX  salicaceae KAj;)    F-L# UNITED STATES MALPIGHIALES 5n:N   < (Aiton) Griggs    1455981 Gp6j~     n var.   HUMILIS |94O   Augusta ul>5-    6y0  salix humilis var. tristis    Virginia   Contact UM Herbarium :[+< 
{"catalogNumber": "1455981", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix humilis var. tristis", "scientificNameAuthorship": "(Aiton) Griggs", "genus": "Salix", "subgenus": "", "specificEpithet": "humilis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "tristis", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "Augusta", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}