some species of the genus Aegilops

例句：

1. 1. Thegenus Aegilops is a memberof the Graminae family.
   羊草属是禾本科的一个成员。
2. 2. Some speciesof Aegilops are used asforage crops in agriculture.
   一些羊草属植物被用作农业的饲料作物。
3. 3.The genus Aegilops contains severalspecies native to North America.
   羊草属包含几个原产于北美的物种。