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": ""}
  3x g n8540A  1S46 GRANDIDENTATA  8(gE6 -83.66432  J1 1334286   POPULUS GRANDIDENTATA AO~a   : (uT MONROE  W0 2 CLONES, DIFERENT THAN 8540B.   TsdF Populus  /|f malpighiales WARREN H. WAGNER, JR. tv@8   2 just west of new us-23, 0.5 mi. s. of ida w. rd. 3.5 mi. w. of ida.   yXL WOODS. WITH P. TREMULOIDES AND HYBRID.     Ra michigan  If( VNITED STATES  1958-07-19 N]G4   
{"catalogNumber": "1334286", "order": "Malpighiales", "family": "", "scientificName": "Populus grandidentata", "scientificNameAuthorship": "", "genus": "Populus", "subgenus": "", "specificEpithet": "grandidentata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Warren H. Wagner, Jr.", "recordNumber": "8540a", "verbatimEventDate": "1958-07-19", "habitat": "Woods. With P. tremuloides and hybrid.", "occurrenceRemarks": "2 clones, different than 8540b.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Monroe", "municipality": "", "locality": "Just west of new US-23, 0.5 mi. S. of Ida W. Rd. 3.5 mi. W. of Ida.", "decimalLatitude": "", "decimalLongitude": "-83.66432", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}