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": ""}
-83.5006  L  Sonchus  >  UNITED STATES     @N3w Sonchus arvensis   0 SANDY FIELD & OPENING NEAR EXCAVATION, ROADSIDES, mighigan  4 p^          0V[  ONROE    & Asterales  12055 _2Z)  ASTERACEAE  r)G  1-980-08-08 b 7.|     nathan w. easterly U4!   1257872 N,2! 
{"catalogNumber": "1257872", "order": "Asterales", "family": "Asteraceae", "scientificName": "Sonchus arvensis", "scientificNameAuthorship": "", "genus": "Sonchus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Nathan W. Easterly", "recordNumber": "12055", "verbatimEventDate": "1980-08-08", "habitat": "Sandy field & opening near excavation, roadsides,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Monroe", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-83.5006", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}