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": ""}
asteraceae 4zX     19667-08-21 %R$     O 43.905  vLhNP george l. burrows iv erigeron annuus   ?f  ERIGERON Ixv;   9>K 1253653 mixed hardwoods. M3dl   ASTERALES 9o!|   6G UNITED STATES    Izz annuus     (l.) pers. Ga    /C:m MICHIGAN  
{"catalogNumber": "1253653", "order": "Asterales", "family": "Asteraceae", "scientificName": "Erigeron annuus", "scientificNameAuthorship": "(L.) Pers.", "genus": "Erigeron", "subgenus": "", "specificEpithet": "annuus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Burrows IV", "recordNumber": "", "verbatimEventDate": "1967-08-21", "habitat": "Mixed hardwoods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "43.6905", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}