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": ""}
 7+ ON WALL OF STURGEON RIVER GORGE BELOW THE FALLS.  %w7L> symphyotrichum      1251844  Peter A. Hyypio lMjD     uL >: symphyotrichum urophyllum  T49N, R35W, SEC. 17 OR 8 HZ+ #  asterales _>      1955-08-15 Asteraceae g   oj michigan  -88.70975 KO<yi  (Lindl. ex DC.) G. L. Nesom >+u/j  46.64307 >>Gf      2 $Z 514 HOUGHTON AH  UNITED STATES C7PJ  
{"catalogNumber": "1251844", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum urophyllum", "scientificNameAuthorship": "(Lindl. ex DC.) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Peter A. Hyypio", "recordNumber": "514", "verbatimEventDate": "1955-08-15", "habitat": "On wall of Sturgeon River gorge below the Falls.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "T49N, R35W, Sec. 17 or 8", "decimalLatitude": "46.64307", "decimalLongitude": "-88.70975", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}