A weedy North American plant(Erigeron canadensis)having narrow leaves and numerous small white or greenish flower heads grouped in panicles.

• 加拿大飞蓬一种（加拿大飞蓬飞蓬属）属的细瘦的北美植物，叶子狭窄，开无数白色或淡绿色小花，呈圆锥花序