개보리속 Elymus LINN

1. 소수에 까락이 없고 짧은 털이 있으며 지하경이 길다 ···············································································228. 갯그령

1. 소수에 긴 까락이 있고 털이 없으며 지하경은 뚜렷하지 않다.

2. 꽃차례는 곧추서고 포영은 호영보다 약간 짧다 ····················································································227. 갯보리

2 꽃차례는 끝이 처지고 포영은 호영보다 훨씬 작다 ··················································································226. 개보리