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": ""}
s.n. Dc@VU   Ingham wB_c      w]  salix nigra  42.69779 V(`   FP 1892-06-24   jq salicaceae    y<V -84.44777      |.i MALPIGHIALES    SC michigan Marshall Nlgf*    hpDyN NIGRA  I CARLEON R. BALL    Pf@ UNITED STATES
{"catalogNumber": "", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix nigra", "scientificNameAuthorship": "Marshall", "genus": "", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Carleton R. Ball", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1892-06-24", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ingham", "municipality": "", "locality": "", "decimalLatitude": "42.69779", "decimalLongitude": "-84.44777", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}