How to Identify Hemlock Reishi

Scientific Name: Ganoderma tsugae

Hemlock Reishi (Ganoderma tsugae) identification
Image source: MushroomObserver (CC BY-SA 3.0)

â„šī¸ Recorded as Inedible

While Ganoderma tsugae is not toxic, it is considered inedible due to its tough texture. Always consult a local expert before foraging.

Description

Ganoderma tsugae is a bracket fungus that typically appears as a woody, shelf-like structure attached to the trunks of hemlock trees. Its upper surface is dark brown to black with a shiny finish, while the underside features white to cream-colored pores.

Key Identification Features

Field marks recorded for this species. Work through all of them, not just one:

Habitat & Distribution

Habitat: Typically found on decaying wood, particularly on hemlock trees.

Region: Eastern North America, particularly in forested areas with hemlock trees.

Seasonality

Fruits primarily in late summer to fall.

Typical months: Aug-Nov

Common Lookalikes

Always verify identification to avoid these similar species:

Related Species

Browse all species in the Mushroom Database →

Track Your Hemlock Reishi Finds

Pin the patch before you leave it. Coordinates, photos, and field notes stay AES-encrypted on your device — and the offline lookalike guide travels with you into the deep woods.

Download Mushroom Tracker

Disclaimer: This guide is for educational purposes only. Never consume a wild mushroom unless you are 100% certain of its identification.