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": ""}
Symphyotrichum *=D;    asterales 81wiS  CHEBOYGAN L   asteraceae .:   @Tt 1920-08-21  +A MICHIGAN   sz symphyotrichcum laeve   John H. Ehlers   `  1250804 TA      e no 1257    laeve Xbw   S openings - jack pine plains  no data provided on label of catalog no:12508q04 n(   x UNITED STATES  
{"catalogNumber": "1250804", "order": "Asterales", "family": "Asteraceae", "scientificName": "Symphyotrichum laeve", "scientificNameAuthorship": "", "genus": "Symphyotrichum", "subgenus": "", "specificEpithet": "laeve", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1257", "verbatimEventDate": "1920-08-21", "habitat": "Openings - Jack Pine Plains", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "no data provided on label of catalog no: 1250804", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}