Named for the forbidding spines, this is a common lowland plant of wet areas, growing beneath the forest canopy. In the spring, a tall stout pyramidal raceme of small greenish-white flowers further confirms the presence of this well-armed species.

Location: Ohanapecosh, Mount Rainier National Park

Date: June 20, 2014

The leaves are borne on tall stems and are palmately lobed, toothed, and also spiny. This is the only member of the Aralia Family in the Park. It is related to the exotic English Ivy.

Location: Twin Firs trail, Mount Rainier National Park

Date: June 30, 2016

In autumn, large clusters of reddish berries may be seen. They soon fall, and the leaves transform to a muted yellow.

Location: Westside Road, Mount Rainier National Park

Date: September 9, 2016