如果你在欧洲徒步的话，你可以找一种叫艾菊的花。
If you're hiking in Europe, look for a flower called tansy (艾菊).
灰毛菊属的任何一种植物，产于欧洲南部，具有单生包片或银色的头状花序，管状花呈浅紫色。
Any plant of the genus xeranthemum native to southern europe having chaffy or silvery flower heads with purplish tubular flowers.
美国东北部引入的欧洲山柳菊；不易根除的杂草。
European hawkweed introduced into northeastern United States; locally troublesome weeds.
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