# Berkenzwam (Piptoporus betulinus) (d.j.b.) 10

- By: Dominicus Johannes Bergsma
- Date: 2019-01-18
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Berkenzwam_(Piptoporus_betulinus)_(d.j.b.)_10.jpg)
- Rights: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/b/b8/Berkenzwam_%28Piptoporus_betulinus%29_%28d.j.b.%29_10.jpg/1920px-Berkenzwam_%28Piptoporus_betulinus%29_%28d.j.b.%29_10.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

The top of a weathered Birch mushroom (Piptoporus betulinus) on a broken dead birch branch between fallen leaves.