[Lichens of the Cascade Mountains of Oregon and Washington]

Powder-headed Tube Lichen, Tube Lichen

Hypogymnia tubulosa

Synonym: Parmelia tubulosa

Powder-headed Tube Lichen, Tube Lichen: Hypogymnia tubulosa (Synonym: Parmelia tubulosa) (Parmeliaceae)

The upper surface of powder-headed tube lichen as seen on tree branches at the Hemlock Lake Picinic Area, Gifford Pinchot National Forest..........November 10, 2014.

Powder-headed Tube Lichen, Tube Lichen: Hypogymnia tubulosa (Synonym: Parmelia tubulosa) (Parmeliaceae)

The lower surface of powder-headed tube lichen as seen on tree branches at the Hemlock Lake Picinic Area, Gifford Pinchot National Forest..........November 10, 2014.

Paul Slichter