갯겨이삭속 Puccinellia PARL.

1. 소수는 길이 4~6mm이고 잎혀는 길이 2.5~3.5mm이다.

2. 과병과 꽃대축은 깔깔하다 ········································································································· 132. 갯꾸러미풀

2. 과병과 꽃대축은 밋밋하다 ············································································································ 133. 갯겨이삭

1. 소수는 길이 3.5mm 이고 호영밑에 털이 있으며 잎혀는 길이 1mm 이다 ················································ 134. 각시미꾸리광이