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": ""}
 SALICACEAE ?4   x TXG 1317097   L small tree in sandy soil along fencerow. Michigan  ca    :. 1983-06-25 -83.757907 AS   populus tremuloides N^   627 ?(@Qj   44.893279 mJ     ^ ~p michx.  t&81J alpena   ~w populus   jX united states   0V john v. freudenstein    malpighiales $ 
{"catalogNumber": "1317097", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Populus tremuloides", "scientificNameAuthorship": "Michx.", "genus": "Populus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "627", "verbatimEventDate": "1983-06-25", "habitat": "Small tree in sandy soil along fencerow.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Alpena", "municipality": "", "locality": "", "decimalLatitude": "44.893279", "decimalLongitude": "-83.757907", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}