Leymus ambiguus is a species of grass known by the common names Colorado wildrye and Rocky Mountain wildrye. It is native to the Rocky Mountains of the United States, growing mainly on rocky hillsides on the eastern slopes of the mountains in Colorado and New Mexico;Anderson, Michelle D. 2004. Leymus ambiguus. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory. it has also been reported from Utah. It is a climax species on the dry grasslands of the Colorado Front Range.
This perennial grass produces loose clumps of stems of about to high, each of which is about thick. It is sometimes rhizomatous. Most of the leaves are located around the bases of the stems. The inflorescence is up to about 17 centimeters long and has solitary or paired spikelets, each containing up to 7Leymus ambiguus. Grass Manual Treatment. to 10 flowers. The grass has been noted to produce about 390 seeds per plant. The seeds germinate well and the seedlings grow fast.
References
External links USDA Plants Profile for Leymus ambiguus The Nature Conservancy