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": ""}
 WR7/ contact um herbarium c. r. ball o90      U del norte  gracilipes |^F i       v CALIFORNIA  x= melanopsis  :4 1456490    Salicaceae :    =; VAR.     u,Ey3 SALIX MELANOPSIS VAR. GRACILIPES    MALPIGHIALES  
{"catalogNumber": "1456490", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix melanopsis var. gracilipes", "scientificNameAuthorship": "C. R. Ball", "genus": "", "subgenus": "", "specificEpithet": "melanopsis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "gracilipes", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "California", "county": "Del Norte", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}