쥐꼬리새속 Muhlenbergia SCHREB.

1. 지하경이 없으며 첫째 포영은 깊이 2mm 이고 1 맥이다············································································120. 쥐꼬리새

1. 지하경이 길게 뻗어간다.

  2. 소수는 길이 4-4.5mm 이고 첫째 포영은 길이 2.8mm 이다  ···································································121. 선쥐꼬리새

  2 소수는 길이 3mm 이고 첫째 포영은 길이 0.5~0.7mm 이다 ····································································122. 큰쥐꼬리새