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": ""}
  douglass houghton `5 z  asterales fB      . 1829-09  nDk G SUBULATUM       a  (Michx.)_ G. L. Nsom SYMPHYOTRIGHUM SUBULATUM . >       U^) 1480490  NEW YORK 2MOA)      #n SYMPHYOTRICHUM
{"catalogNumber": "1480490", "order": "Asterales", "family": "", "scientificName": "Symphyotrichum subulatum", "scientificNameAuthorship": "(Michx.) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "subulatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Douglass Houghton", "recordNumber": "", "verbatimEventDate": "1829-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "New York", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}