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Pronunciation: er-IJ-er-on kan-a-DEN-sis
Common name: Tall horseweed
Family: Asteraceae (Sunflower)
Habitat: Fields, firebreaks, and waste and disturbed areas both grassy and bare generally below 6000', and ranging throughout the United States and southern Canada, and indeed present ± worldwide
Blooming period: June to September
Name derivations: 1) Erigeron 2) canadensis