Usnea is a doom metal band from Portland, Oregon, known for their dark and atmospheric sound that incorporates elements of black metal, sludge, and funeral doom. The band formed in 2011 and has released several critically acclaimed albums, including their latest, "Portals Into Futility," which was released in 2017. Usnea's music is heavy and intense, with long, drawn-out songs that explore themes of death and decay. They are a highly respected band in the doom metal community and have gained a dedicated following for their unique sound and bleak, apocalyptic lyrics.