| Type: | Alliance |
| Parent classification: | Rocky Mountain-Great Basin Montane Riparian Forest |
| Scientific Name: | Populus angustifolia Riparian Forest Alliance |
| Location: | Canada (Alberta); United States (Oregon, California, Idaho, Montana, South Dakota, New Mexico, Nevada, Wyoming, Arizona, Utah, Colorado) |
| Description: | This alliance consists of riparian woodlands dominated by Populus angustifolia alone or codominated with other deciduous or coniferous trees. It occurs on narrow stream terraces and large floodplains in the Rocky Mountains of Montana, Idaho, Wyoming, Utah, Colorado and New Mexico. It is also found in the mountains of eastern Oregon, Nevada, California's Sierra Nevada, and the highlands of Arizona. Elevations range from 1200-2750 m (4000-9000 feet). |
| Website: | View website |