Rob Tilley / Red Alder (Alnus rubra) trunk detail with moss and lichen. Fort Columbia, Washington, USA, October.

Tim Fitzharris / Red Alder (Alnus rubra) trees with moss, Hoh Rainforest, Olympic National Park, Washington

Gerry Ellis / Red Alder (Alnus rubra) and Vine Maple (Acer circinatum) reflection in quiet waters of Upper Necanicum River, Tillamook State Forest, Oregon