Western Mountain Ash, Sorbus sitchensis, is native to western
North America and is also known as the Sitka Mountain Ash.
Photo citation: ©1995 Br. Alfred Brousseau, Saint Mary's College.
Sorbus sitchensis has yellow flowers and dark green foliage and
is composed to oddly pinnate compound leaves.
Photo citation: ©1995 Br. Alfred Brousseau, Saint Mary's College.