담배풀속 Carpesium LINN.

1. 두화는 잎겨드랑이에 달리며 대가 없다 ································································································594. 담배풀

1. 두화는 밑에 잎 같은 포가 있고 꽃자루가 있다.

2. 잎은 설상이며 꽃이 필 때 로제트형이다

3. 두화는 반구형이고 지름이 8-15mm 이다 ···················································································595. 천일담배풀

3. 두화는 다소 구형이며 지름이 5mm 이다 ····················································································596. 애기담배풀

2. 잎은 난형 또는 난상 타원형이며 뿌리에서 톤은 잎은 꽃이 필 때 대개 사라진다.

4. 두화는 지름 23-35mm 이다 ······································································································597. 여우오줌

4. 두화는 지름 5-18mm 이다.

5. 잎자루에 날개가 있고 총 포편의 길이는 거의 비슷하다.

6. 잎의 기부는 점점 좁아지고 총포는 너비 15-15mm 이다  ······························································· 598. 좀담배풀

6. 잎의 기부는 갑자기 좁아지고 총포는 너비 6~12mm 이다···························································· 599. 두메담배풀

5. 잎자루에 날개가 없고 두화는 너비 6-5mm 이다  ············································································600. 긴담배풀