nature & science Grasses Search Search this park Search nps.gov Home Accessibility Activities Education Programs Facts For Kids History & Culture In Depth Management Docs Nature & Science News Plan Your Visit Bookstore » Employment » Volunteer » Contact Us »   Overview Animals Plants Grasses Trees and Shrubs Wildflowers Environmental Factors Natural Features and Ecosystems Several grass species such as Idaho fescue (Fetuca idahoensis), dominate the sagebrush-steppe. The Northern Range is composed of extensive stretches of sagebrush-steppe. Yellowstone wetlands are dominated by grass, forb, rush, and sedge species.

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