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": ""}
  POPULUS ALBA VAR. ALBA 9y/$   ["(syn. P. nivea)" J. E. Eck8enwalder 1990] w ;    F PERE MARQUETTE TP., CA. 7 MI. WSW OF COTTVILLE.   fxw  var.     1963-07-05 L     alba x       ALBA 5    ,*( populus   NG edward g. voss 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Populus alba var. alba", "scientificNameAuthorship": "", "genus": "Populus", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "var.", "infraspecificEpithet": "alba", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1963-07-05", "habitat": "", "occurrenceRemarks": "[\"(syn. P. nivea)\" J. E. Eckenwalder 1990]", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Pere Marquette Tp., ca. 7 mi. WSW of Scottville.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}