Riparian Shrub Communities
Riparian shrub communities, which occupy about 6% of the riparian zone in the river corridor, are often found near the high water mark along the river.
They most often include sandbar willow, red-osier dogwood, Douglas hawthorn, Wood's rose, western snowberry and Bebb's willow. Willow and dogwood are often found together, and rose is frequently found with hawthorne, dogwood, and snowberry.
Grasses frequently found include redtop bentgrass, reed canarygrass, fowl bluegrass, Kentucky bluegrass, and quackgrass.
Other plants in this community include Canada thistle, hemp dogbane, black medic, Canada goldenrod, loosestrife and poison ivy.