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": ""}
  Y3Z populus   g Salicaceae  I`=_ SUBSP.  .yA 70-35  CWMh Along small lake      43.11315 QNc     y[1w= 1221993 united states 4v#<k   $ -83.22237 1970-07-04 [[+R       LAPEER ]  edward g. voss x  
{"catalogNumber": "1221993", "order": "", "family": "Salicaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Populus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "", "identifiedBy": "Edward G. Voss", "recordedBy": "", "recordNumber": "70-35", "verbatimEventDate": "1970-07-04", "habitat": "Along small lake", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Lapeer", "municipality": "", "locality": "", "decimalLatitude": "43.11315", "decimalLongitude": "-83.22237", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}