우드풀속 Woodsia R. B_R.

1. 포막은 둥글며 안에 포자낭군이 들어 있다     ····················································································79. 만주우드풀

2. 잎은 마르면 다소 적갈색으로 변하며 약간의 인편과 털이 있다.

3. 우편은 좌우가 같지 않고 앞쪽 밑이 튀어나왔다.

4. 우편 밑은 중축으로 흐르지 않는다   ·····························································································80. 우드풀

4. 우편 밑은 중축으로 흘렀다 ································································································81. 좀가물고사리

3. 우편은 좌우가 비슷하다.

5. 중축과 우편에 털이 있고 인편이 없다. 포막은 둥글지만 성숙하면 쟁반처럼 되며 잎자루 기부에 마디가 있다 ············82. 참우드풀

5. 중축과 우편에 털과 인편이 있다. 포막은 쟁반 같으며 잎자루 상부에 마디가 있다

6. 잎자루 하반부에 마디가 있다      ··························································································83. 두메우드풀

6. 잎자루 상반부에 마디가 있다     ······························································································84. 산우드풀

2. 잎은 녹색이며 근경과 잎자루 기부에 약간의 인편이 있으나 털이 없다.

7. 인편은 난형 또는 난상 피침형이며 톱니가 있다. 포막은 쟁반형이며 가장자리가 불규칙하게 5-6 개로 갈라진다 ··········85. 애기가물고사리

7. 인편은 타원형 또는 난형이며 가장자리가 밋밋하다. 포막은 거의 밑까지 실처럼 갈라진다    ························86. 큰솜털고사리