podetia usnic-yellow, 3-4-branching, forming rounded tufts. Lichen barren, spruce-tamarack-jack pine forest.
branches irregular; thallus sorediate on ridges. Black spruce-tamarack-jack pine forest.
Thallus gray; soralia in hemispherical mounds on lobe tips. Ericaceous scrub, former burn.
Sorediate on lobe margins. Ericaceous scrub, former burn.
Cephalodia present; lobes smooth, broad, closely appressed. Northern hardwood forest, in association with Lobaria pulmonaria.
cephalodia present; lobes with depressions and ridges; soredia present on ridges and margins. Northern hardwood forest, in association with Ricasolia quercizans.