쑥부장이속 Aster LINN.

1. 관모가 없다  ······························································································································613. 벌개미취

1. 관모가 있다.

2. 관모는 꽃이 핀 다음 자라며 수과는 편평하지 않다.

3. 두화의 지름은 16-22mm 이다  ···································································································614. 갯개미취

3. 두화의 지름은 10mm 내외이다.

4. 두화의 지름은 5-6mm 이고 관모는 밖으로 나온다   ········································································615. 샛강사리

4. 두화의 지름은 10mm이고 관모는 꽃 안에 있다  ·········································································615+. 큰샛강사리

2. 관모는 꽃이 핀 다음 자라지 않는다.

5. 관모는 길이 0.25-1mm 이다.

6. 잎에 톱니가 없다  ··········································································································616. 가는쑥부쟁이

6. 잎에 톱니가 있다.

7. 잎은 얇고 수과는 길이 2.5mm이며 관모는 길이 1/3mm이다 ·····················································617. 버드쟁이나물

7. 잎은 두껍다.

8. 수과는 길이 3-3.5mm이고 관모는 길이 0.5-1mm이다 ··························································618. 가새쑥부쟁이

8. 수과는 길이 0.5-3mm 이다

20. 톱니가 있으며 수과는 길이 2.5mm， 관모는 길이 0.5mm이며 가지가 굵다  ··································619. 쑥부쟁이

20. 톱니가 없으며 수과는 길이 3mm， 관모는 길이 1mm이다  ···················································620. 민쑥부쟁이

5. 관모는 길다

9. 통화에서는 걸고 설상화에서는 짧다  ·······················································································621. 갯쑥부쟁이

9. 모두 길다.

10. 총포편의 길이는 감지 않고 관모의 수는 많다.

11. 잎은 난형이며 잎자루에 날개가 있고 심장저이며 수과는 원주상이다  ·················································622. 참취

11. 수과는 편평하다.

12. 포편 끝은 뾰족하고 화상의 요점연(벌집형)은 잘게 갈라진다   ················································623. 섬쑥부쟁이

12. 포편 끝은 둔하지만 때로 예두이다.

13. 두화는 지름 7-9mm 이며 소화는 일부 결실하지 않는다  ······················································624. 옹굿나물

13. 두화는 지름 2.5-4 cm이며 전부 결실한다.

14. 소화의 화상 가장자리는 밋밋하며 총포편은 담홍색이다.

15. 두화는 지름 2.5~3.3cm이고 잎은 너비 6-13cm이다    ·······················································625. 개미취

15. 두화는 지름 4cm이고 잎은 너비 1-3cm이다  ······························································626. 좀개미취

14. 소화의 화상 가장자리는 잘게 갈라지며 두화는 담자색이다    ········································627. 까실쑥부쟁이

10. 총포편의 길이는 비슷하다.

16. 총포편의 가장자리는 딱딱하고 예두이다.

17. 옆으로 자라며 두화는 적고 꽃자루는 길다 ···································································· 628. 눈개쑥부쟁이

17. 곧추자라고 두화가 많다.

18. 잎은 좁은 장타원형으로 너비 1-2cm이고 톱니가 약간 있으며 관모는 길이 2.5-3.5 mm 이다 ········ 629. 개쑥부쟁이

18. 잎은 좁은 피침형이고 너비 3-8mm 이며 위쪽 잎은 톱니가 없으며 관모는 길이3-5mm 이다 ····· 629+. 미국쑥부쟁이

16. 총포편은 딱딱하다.

19. 잎은 길이 3-6cm이고 너비 1-3mm이며 밀모가 있다 ······················································· 630. 단양쑥부쟁이

19. 잎은 털이 많고 넓은 주걱형이며 두화가 크다············································································ 631. 해국