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": ""}
  C EDWARD G. VOSS     r  -83.657491  R 42.304442  TfO nutt.  ; Salix   EXIGUA 8 (e*   E 1221669     |L 5alix exigua  "FIELD IDENTIF. CHARACTERS: LINEAR TO NARROWLY LANCEOL4TE LVS; COLONIAL STOLONIFEROUS SHRUB UP TO 5.5M.; SHORT PETIOLES."  w A  1968-08-08 vtc   :A MALPIGHILES      
{"catalogNumber": "1221669", "order": "Malpighiales", "family": "", "scientificName": "Salix exigua", "scientificNameAuthorship": "Nutt.", "genus": "Salix", "subgenus": "", "specificEpithet": "exigua", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "", "recordNumber": "", "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": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.304442", "decimalLongitude": "-83.657491", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}