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Erigeron canadensis L., Canada fleabane
An erect annual, varying from a few inches to 5 to 6 feet at blossom time. Stem single up to the flower branches, densely clothed with erect leaves?the lower ones dying but remaining attached and hanging downward. Leave linear-lanceolate, 2 to 4 inches long, the lower ones toothed or entire, tapering into a short petiole. Inflorescence a spreading, leafy panicle bearing numerous small cylindrical heads with inconspicuous white florets, each head supported on a short stalk. Seeds small, flat, each with a tuft of bristly hairs.(Conyza canadensis)