alnus rubra

The red alder is Alnus rubra, or A. oregona.

They often form large thickets, and thrive in the open spaces under stands of red alder (Alnus rubra).

The white alder is closely related to the red alder (Alnus rubra), differing in the leaf margins being flat, not curled under.

Native Americans used red alder bark (Alnus rubra) to treat poison oak, insect bites, and skin irritations.

In moist forest areas Alnus rubra will rapidly cover a former burn or clearcut, temporarily preventing the growth of conifers but also improving soil fertility for future growth of conifers.

North America, Pacific region - Abies grandis, Abies procera, Acer macrophyllum, Alnus rubra, Chamaecyparis lawsoniana, Chamaecyparis nootkatensis, Libocedrus decurrens, Pinus ponderosa, Populus trichocarpa, Pseudotsuga menziesii, Sequoiadendron giganteum, Thuja plicata, etc.