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": ""}
      o SYMPHYOTRICHUM CORDIFOLIUM  43.71529 ml82   I CHARLES K. DODGE      HURON a_q      <;UKA 1909-09-16  asteraceae o J=r  cordifolium 72 r     p`0 -82.74021    3  (l.) g. l. nesom
{"catalogNumber": "", "order": "", "family": "Asteraceae", "scientificName": "Symphyotrichum cordifolium", "scientificNameAuthorship": "(L.) G. L. Nesom", "genus": "", "subgenus": "", "specificEpithet": "cordifolium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles K. Dodge", "recordNumber": "", "verbatimEventDate": "1909-09-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Huron", "municipality": "", "locality": "", "decimalLatitude": "43.71529", "decimalLongitude": "-82.74021", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}