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": ""}
 washtenaw d   +c "field identif. characters:linear to narrowly lanceolate lvs; colonial stoloniferous shrub up to 5.m.; short petioles."  salicaceae =V4f3    Nm UNITED STATES  8Th|_ Edward G. Voss Nutt. |f5      ZtY^ SALIX     1968-08-08 1221669 -   kF4Sf MALPIGHIALES  q],5H John Dix Field, University Botanical Gardens  ];5q $MICHIGAN  ANNE L. STEVENSON f   )N4 42.304442  salix exigua t   S.N. e]  
{"catalogNumber": "1221669", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix exigua", "scientificNameAuthorship": "Nutt.", "genus": "Salix", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "Anne L. Stevenson", "recordNumber": "s.n.", "verbatimEventDate": "1968-08-08", "habitat": "", "occurrenceRemarks": "\"Field identif. characters: linear to narrowly lanceolate lvs; colonial stoloniferous shrub up to 5.5m.; short petioles.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "John Dix Field, University Botanical Gardens", "decimalLatitude": "42.304442", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}