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": ""}
   j  SALIX HUMILIS VAR. TRISTIS SALIX Q    ?0DC MICHIGAN   S.N. 4i?tV    MALPIGHIALES v   I humilis   & tristis   var. n_   e Y United States (AITON) G RIGGS Z8Mm   Volney M. Spalding k    ?3 1316819   [q ANN ARBOR, FROM THE FIRST BOG SOUTH OF TOWN  
{"catalogNumber": "1316819", "order": "Malpighiales", "family": "", "scientificName": "Salix humilis var. tristis", "scientificNameAuthorship": "(Aiton) Griggs", "genus": "Salix", "subgenus": "", "specificEpithet": "humilis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "tristis", "identifiedBy": "", "recordedBy": "Volney M. Spalding", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Ann Arbor, from the first bog south of town", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}