How to Identify Bitter Oyster

Scientific Name: Panellus stipticus

Bitter Oyster (Panellus stipticus) identification
Image source: MushroomObserver (CC BY-SA 3.0)

â„šī¸ Recorded as Inedible

While not toxic, the bitter taste makes it unpalatable. Always consult a local expert before foraging.

Description

Panellus stipticus is a small to medium-sized mushroom with a fan-shaped cap that is typically yellowish to brownish in color. The surface is smooth and often has a slightly sticky texture when wet, while the gills are closely spaced and run down the stem.

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, especially hardwoods.

Region: Widely distributed in temperate regions, including North America, Europe, and parts of Asia.

Seasonality

Fruits from late summer to early winter, especially after rainfall.

Typical months: Aug-Dec

Common Lookalikes

Always verify identification to avoid these similar species:

Related Species

Browse all species in the Mushroom Database →

Track Your Bitter Oyster 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.

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