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": ""}
     y=   -84.72548 44.67046 1  PHYLLIS J. HIGMAN ~   Salicaceae q`D 6   SOub DISTURBED DRY NORTHERN FOREST; REMNANT TREES BY RR AND AIRPORT, MOIST GRAELLY SAND, FULL SUN. INFREQUENT. CRAWFORD #Y-#    |& 423  u nited states IC4    MICHIGAN 3  DELTOIDES @+    m<f 1309921   AQm^ Populus   1993-09-15 :   l w. barram ex marshall "ASSOC.: QUERCUS ELLIPSOIDALIS, LONIERA XBELLA, BINUS STROBUS, PRUNUS VIRG., MELILOTUS ALBA" R.t N  POPULUS DELTOIDES Iw??F  m side of n down river rd, .5 mi w of old us 27 (s side of graylingairfield). t26n r03w, sec. 6 sw1/4 sw1/4 x T 
{"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": "\"Assoc.: Quercus ellipsoidalis, Lonicera Xbella, Pinus strobus, Prunus virg., Melilotus alba\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Crawford", "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": "44.67046", "decimalLongitude": "-84.72548", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}