미역취속 Solidago LINN.

1. 밑에서 가지가 갈라진다.

2. 수과에 털이 없다 ························································································································· 607. 미역취

2. 수과에 털이 있다 ···················································································································· 608. 울릉미역취

1. 가지가 없다.

3. 톱니가 있다 ·························································································································· 609. 미국미역취

3. 톱니가 없다 ·························································································································· 609+. 양미역취