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": ""}
 MICHX. f    lw+ 70-238   6 SALICACEAE   populus grandidentata s   1309999 ]    1970-08-01 _|&   POPULUS D@5Z   ` sanilac  f MICHIGAN  on small ridge on Rangeline Rd. Â½ mi no of Ridley Rd. ,WJ>D    mXm jon merkle united states  ?  COMM0N AND SOME LARGE TREES (16Â± IN. DBH) IN SMALL BEECH-SUGAR MAPLE-ASH WOODLOT. lR*._   Q x$< grandidentata MALPIGHIALES K  
{"catalogNumber": "1309999", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Populus grandidentata", "scientificNameAuthorship": "Michx.", "genus": "Populus", "subgenus": "", "specificEpithet": "grandidentata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John Merkle", "recordNumber": "70-238", "verbatimEventDate": "1970-08-01", "habitat": "Common and some large trees (16\u00c2\u00b1 in. dbh) in small beech-sugar maple-ash woodlot.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Sanilac", "municipality": "", "locality": "on small ridge on Rangeline Rd. \u00c2\u00bd mi no of Ridley Rd.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}