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 n side of n down river rd, .5 mi w of old us 27 (s side of grayling airfield). t26n r03w, sec. 6 sw1/4 sw1/4 e-nX         $Mt -84.72548 United States bl     j w. bartram ex marshall    SALICACEAE HziH   A 1309921 populus deltoides m   UtBZX michigan  #<#m phyllis j. higman  U>$Qg 1993-09-15   423 -W7  DELTOIDES KRjG    = c DISTURED DRY NORTHERN FOREST; REMNANT TREES BY RR AND AIRPORT, MOIST GRAVELLY SAND, FULL SUN. INFREQUENT.
{"catalogNumber": "1309921", "order": "", "family": "Salicaceae", "scientificName": "Populus deltoides", "scientificNameAuthorship": "W. Bartram ex Marshall", "genus": "Populus", "subgenus": "", "specificEpithet": "deltoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Phyllis J. Higman", "recordNumber": "423", "verbatimEventDate": "1993-09-15", "habitat": "Disturbed Dry Northern Forest; remnant trees by RR and airport, moist gravelly sand, full sun. Infrequent.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "N side of N Down River Rd, .5 mi W of Old US 27 (S side of Grayling airfield). T26N R03W, Sec. 6 SW1/4 SW1/4", "decimalLatitude": "", "decimalLongitude": "-84.72548", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}