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": ""}
     G xanthium  ti  Muskegon      Ucu~ 16470 Edward G. Voss 3NHd 43.29757     SCARCE IN DISTURBED GROUND AT EDGE OF  r cK   $R*ppf Asterales  M 1994-10-06  &K< 3 1258316 UNITED STATES >.$  -86.08419  7CJl   A  FLOODPLAIN ON N SIOE OF MUSKEGON RIVER, SE 1/4 SEC. 34, T11N, R15W, CA. 5 MI. SE OF TWIN LAKE.  7^ strumarium  /77|= ASTERACEAE  v l. Michigan ;W   XANTHIUM STRUMARIUM Z> (  
{"catalogNumber": "1258316", "order": "Asterales", "family": "Asteraceae", "scientificName": "Xanthium strumarium", "scientificNameAuthorship": "L.", "genus": "Xanthium", "subgenus": "", "specificEpithet": "strumarium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "16470", "verbatimEventDate": "1994-10-06", "habitat": "Scarce in disturbed ground at edge of", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Muskegon", "municipality": "", "locality": "floodplain on N side of Muskegon River, SE 1/4 sec. 34, T11N, R15W, ca. 5 mi. SE of Twin Lake.", "decimalLatitude": "43.29757", "decimalLongitude": "-86.08419", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}