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": ""}
MICHIGAN s# #  1318_160 & jv    E  41.8345896 Salix L.e.q    UH)b s.n.      SALICACEAE @,lH   *4 Malpighiales    $ CARLETON R. BALL  >$J mud flat - seedling.  >5 Collected at Warren Woods.  o Ob Berrin  S&f^  -86.623632  a t nigra    ].9  Salix nigra    `H 1921-05-19
{"catalogNumber": "1318160", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix nigra", "scientificNameAuthorship": "", "genus": "Salix", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Carleton R. Ball", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "1921-05-19", "habitat": "Mud flat - seedling.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "Collected at Warren Woods.", "decimalLatitude": "41.8345896", "decimalLongitude": "-86.6231632", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}