| Abortiporus biennis (Bull.) Singer 1944 |
| Boletus biennis Bulliard 1790 |
| Daedalea biennis (Bulliard) Fries 1821 |
| Grifola biennis (Bulliard) Zmitrovich & Malysheva 2006 |
| Heteroporus biennis (Bulliard) Lázaro Ibiza 1916 |
| Hydnum bienne (Bulliard) DeCandolle 1805 |
| Phaeolus biennis (Bulliard) Pilát 1934 |
| Polyporus biennis (Bulliard) Fries 1838 |
| Sistotrema bienne (Bulliard) Persoon 1801 |
| Sistotrema rufescens subsp. bienne (Bulliard) Persoon 1825 |
| Sporotrichopsis terrestris (Schulzer) Stalpers 2000 |
| Thelephora biennis (Bulliard) Fries 1821 |
Abortiporus biennis
