그령속 Eragrostis BEAUV.

1. 소수는 길이 2mm 이하이다 ············································································································ 108. 각시그령

2. 소수는 길이 2mm 이상이다.

2. 식물체는 총생하고 키가 1m 내외로 자라며 다년초이다.

3. 키는 30-80cm 이고 잎은 너비 2-6mm 이다 ························································································109. 그령

3. 키는 60-120cm 이고 잎은너비 1.5-2mm 이다 ············································································ 110. 희망새그령

2. 1년초이며 키가 작다.

4. 화서지에 선점이 있다.

5. 꽃차례는 치밀하고 소수의 너비는 2.5 mm 이상이다  ·······································································111. 참새그령

5. 소수의 너비는 1.2-2 mm 이고 성글게 달렸다  ··············································································112. 좀새그령

4. 식물체에 선점이 없다

6. 화서지 기부에 긴 털이 있다   ···································································································113. 큰비노리

6. 화서지 기부에 털이 없다  ········································································································· 114. 비노리