꿩의밥속 Luzula KUNTH

1. 잎은 예두이며 윗면에 흠이 있다 ······································································································ 509. 좁꿩의밥

1. 잎끝은 딱딱하며 둔두로서 흠이 없다.

2. 꽃은 1개씩 소화경 끝에 달린다 ····································································································· 510. 별꿩의밥

2. 꽃은 둥글게 모여 달린다.

3. 꽃차례는 보통 1 개(2-3개)의 두상화서이다 ·······················································································511. 꿩의밥

3. 꽃차례는 여러 개의 둥근 꽃차례로 갈라진다.

4. 종자는 넓은 타원형이며 종침은 크고 종자 길이의 반 정도이며 꽃은 열매와 더불어 길이 2.5-3mm이다 ··········· 512. 산꿩의밥

4. 종자는 타원형이며 종침은 종자 길이의 1/3 또는 거의 없고 꽃은 열매와 더불어 길이2-25mm이다.

5. 꽃은 짙은 갈색 또는 검은 갈색이고 종침은 거의 없다   ································································513. 구름꿩의밥

5. 꽃은 녹갈색 내지 짙은 갈색이며 종침은 작으나 뚜렷하다  ··································································514. 산새밥