[Lichens of the Columbia River Gorge of Oregon and Washington]

Inactive Tube Lichen

Hypogymnia inactiva

The upper side of Inactive Tube Lichen: Hypogymnia inactiva

A close-up of the upper surfaces of what may be inactive tube lichen (Hypogymnia inactiva) as seen on a coniferous branch found along the Eagle Creek Trail, Columbia River Gorge National Scenic Area.................March 26, 2012.

The ventral surfaces of Inactive Tube Lichen: Hypogymnia inactiva

A close-up of the lower surfaces of what may be inactive tube lichen (Hypogymnia inactiva) as seen on a coniferous branch found along the Eagle Creek Trail, Columbia River Gorge National Scenic Area.................March 26, 2012.

Inactive Tube Lichen: Hypogymnia inactiva - Ventral surface of Inactive Tube Lichen: Hypogymnia inactiva

What may be inactive tube lichen (H. inactiva) as seen on a coniferous branch along the Wahclella Falls Trail, Columbia River Gorge National Scenic Area............March 7, 2013. If not this species, then it might be H. imshaugii.

Paul Slichter