Substrate and Habitat. Corticolous on hardwoood trees, particularly on canopy branches.
Distribution. Eastern North America; in North Carolina found throughout.
Note. Usnea endochrysea is morphologically indistinguishable from the common and widespread U. strigosa, but can be distinguished by slightly smaller ascospores (compared with 9-10 x 5-6 μm in U. strigosa).
Literature
Lendemer, J.C. & N. Noell. (2018) Delmarva Lichens: An illustrated manual. Memoirs of the Torrey Botanical Society28: 1-386.
Stirton, J. (1881) On the genus Usnea, and another (Eumitra) allied to it. Scottish Naturalist 6: 99-109 (original description).