hydroecium

例句：

1. 1.The study of hydroecium is important for understanding the ecology of aquatic ecosystems.
   研究水生真菌对于理解水生生态系统的生态学非常重要。
2. 2.Hydroecium is a type of fungus that grows in water and can be found on various aquatic organisms.
   水生真菌是一种在水里生长，可以在各种水生生物上发现的真菌类型。
3. 3. In the study of biodiversity, hydroecium plays an important role as it helps to understand the interactions between different species within aquatic ecosystems.
   在生物多样性研究中，水生真菌扮演着重要的角色，因为它有助于了解不同物种在水生生态系统中的相互作用。