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": ""}
  xu ASTERACEAE   16478 h Da>  MICHIGAN 5bp  along S side of Muskeg0n Riv|er, NW 1/4 sec. 14, T10N, R16W, ca. 3 mi. E of Muskegon. 0OdR  Muskegon t!2  43.26229    ANTON A. REZNICEK i k   (NEES) G. L. NESOM e    9:t]  -86.18058     asterales pl6   Lb 1251754  V0q g 1994-10-06 FIRMUM SurnL  SYMPHYOTRICHUM FIRMUM ]  Frequent in lowland forest 6   MQkB| Symphyotrichum   tyA  EDWARD G. VOSS UNITED STATES 7G/  
{"catalogNumber": "1251754", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum firmum", "scientificNameAuthorship": "(Nees) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "firmum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Edward G. Voss", "recordNumber": "16478", "verbatimEventDate": "1994-10-06", "habitat": "Frequent in lowland forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Muskegon", "municipality": "", "locality": "along S side of Muskegon River, NW 1/4 sec. 14, T10N, R16W, ca. 3 mi. E of Muskegon.", "decimalLatitude": "43.26229", "decimalLongitude": "-86.18058", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}