Genus Oryzopsis is a type of grass that is commonly found in the western regions of North America. It belongs to the family Poaceae and is known for its tall and slender stem. There are several synonyms for this genus, including Cleistogenes, Echinolaena, Festucopsis, and Melicastrum. Each of these synonyms comes with their unique characteristics that set them apart from other species. This grass is highly adaptable to different soil types and thrives in areas with high levels of sunlight. It is also an excellent choice for erosion control and is commonly used in reclamation projects. With its graceful appearance and adaptability, the genus Oryzopsis remains a popular choice for gardeners and landscapers alike.