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": ""}
 UNITED STATES s      xXQtP 1956r-07-18  POPULUS TREMULOIDES 4&   ^ -84.78394 16.3 [bfi   56cJK Malpighiales   Burton V. Barnes lD    a TREMULOIDES  clone 42, male, sample tree 3.      cYPo salicSaceae  z Populus pellston plai research site. P 2   d  MICHIGAN MICHX. mNn(F      3 EMMET
{"catalogNumber": "", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Populus tremuloides", "scientificNameAuthorship": "Michx.", "genus": "Populus", "subgenus": "", "specificEpithet": "tremuloides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Burton V. Barnes", "recordNumber": "16.3", "verbatimEventDate": "1956-07-18", "habitat": "", "occurrenceRemarks": "Clone 42, male, sample tree 3.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "Pellston Plain Research Site.", "decimalLatitude": "", "decimalLongitude": "-84.78394", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}