Polyporus tenuiculus is a type of fungus commonly found in North America. It is also known by several synonyms including Trametes tenuiculus, Poria tenuicula, and Polystictus tenuiculus. This species of fungus is characterized by its thin, leathery texture and light tan color. It typically grows on dead trees and fallen logs, and can be used for medicinal purposes as well as in traditional crafts. Other common names for Polyporus tenuiculus include the thin-fleshed polypore and the razor strop fungus. Regardless of the name, this fungus is a fascinating part of the natural world and plays an important role in forest ecosystems.