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": ""}
United States t   cA MONTMORENCY  ASTERACEAE D)H  michigan X R    rthur K. Adams oaN9q     h YS! -84.14106  firmum  2  h   symphyotrichum firmm g1:   44.87106 O8  1253449 *@7]    KD ASTERALES  SYMPHYOTICHUM ;Zrd    : MRGINS OF HUNT CREEK, SECTION D, EAST OF LEWISTON. (Nees) G. L. NesomT B   194-09-08 ;*t 
{"catalogNumber": "1253449", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum firmum", "scientificNameAuthorship": "(Nees) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "firmum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Arthur K. Adams", "recordNumber": "", "verbatimEventDate": "1949-09-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Montmorency", "municipality": "", "locality": "Margins of Hunt Creek, Section D, east of Lewiston.", "decimalLatitude": "44.87106", "decimalLongitude": "-84.14106", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}