Fungi
Prime ectomycorrhizal fruiter — partner of oak and beech alike. Brown convex cap, white pores turning yellow. The defining 'porcini' of European autumns. Bos records cluster late August through October in the older oak/beech stands.

| Total observations in the Bos | 6 |
| First recorded | 2012-10-13 |
| Last recorded | 2025-10-27 |
| Max rarity tier | 1 — common |
Data derived from 136,107 waarneming.nl observations at location 5013 (Amsterdamse Bos), scraped May 2026. Bos-context text: manually composed from the Bosplan 2020–2030, amsterdamsebos.nl, and the existing Het Onzichtbare Zichtbaar dossiers.