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 v    AT THE OLD BUHL DAM. Quxf    QC[. malpighiales   -83.756441 &&G)    Sw 1984-06-11  DTv 44.574655 john v. freudenstein _     1309849 @i1UX    ^Eh ONE SPREADING CLUMP ALONG THE PINE RIVER. L. HM   alba oTIKG   *9p&: alcona  
{"catalogNumber": "1309849", "order": "Malpighiales", "family": "", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Populus", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "", "verbatimEventDate": "1984-06-11", "habitat": "One spreading clump along the Pine River.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Alcona", "municipality": "", "locality": "At the old Buhl Dam.", "decimalLatitude": "44.574655", "decimalLongitude": "-83.756441", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}