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": ""}
   lVH Salix  w 1455943      E STORY    >A  rigidiuscula  Fy7jI IOWA   MALP|GHIALES :fP    VAR. 3     ( salix humilis var. rigidiuscula       Sw HUMILIS 
{"catalogNumber": "1455943", "order": "Malpighiales", "family": "", "scientificName": "Salix humilis var. rigidiuscula", "scientificNameAuthorship": "", "genus": "Salix", "subgenus": "", "specificEpithet": "humilis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "rigidiuscula", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Iowa", "county": "Story", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}