Moss & Lichen: Science and Stroll

Date(s) - November 14, 2026

Join instructor Ruth Williams, as she guides you through an exploration of the tiny world of lichens and moss. Discover the lifeycles and ecological niches that are unique to these organisms as you get acquanited with five common moss and lichen you will find in the Portland area. The program will start with a discussion indoors before heading out on the trails for a walk on paved paths that will total less than one mile.

• Registration closes Friday, November 13th at 4:00pm

About the Instructor: Ruth Williams is a consulting arborist and plant enthusiast with degrees in Horticulture and Landscape Architecture from UC Davis. Working as a local consulting arborist, she helps preserve trees for future generations. She teaches and guides interpretive hikes on a wide variety of ecological subjects.