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": ""}
   Flowers white. AS   symphyotrichum ^  uE  NEWAYGO +<E=>   Fd]eb (wiegand) g. l. nesom  5M 2006-09-14 W OF THE BIG SOUTH BRANCH PERE MARQUETTE RIVER AND E OF STONE RD. T15N R14W SEC 2 NW 1/4 ?   fFm asteraceae United States AU%&       X BEVERLY S. WAL7ERS Symphyotrichum ontarionis 7:   J m 946   -85.9569 y$l   43.7255 yFo   jr floodplain forest. with onoclea sensibilis, cephalanthus occidentalis, toxicodendron radicans.  p ASTERALES ontarionis sx( _  
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum ontarionis", "scientificNameAuthorship": "(Wiegand) G. L. Nesom", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "ontarionis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Beverly S. Walters", "recordNumber": "946", "verbatimEventDate": "2006-09-14", "habitat": "Floodplain forest. With Onoclea sensibilis, Cephalanthus occidentalis, Toxicodendron radicans.", "occurrenceRemarks": "Flowers white.", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Newaygo", "municipality": "", "locality": "W of the Big South Branch Pere Marquette River and E of Stone Rd. T15N R14W Sec 2 NW 1/4", "decimalLatitude": "43.7255", "decimalLongitude": "-85.9569", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}