| Paxillus vernalis | |
|---|---|
| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Boletales |
| Family: | Paxillaceae |
| Genus: | Paxillus |
| Species: | P. filamentosus |
| Binomial name | |
| Paxillus filamentosus (Scop.) Fr. (1838) |
|
| Synonyms | |
|
Agaricus filamentosus Scop. (1772) |
|
| Paxillus filamentosus | |
|---|---|
| Mycological characteristics | |
| gills on hymenium | |
| cap is depressed | |
| hymenium is decurrent | |
| stipe is bare | |
| spore print is brown | |
| ecology is mycorrhizal | |
| edibility: unknown | |
Paxillus filamentosus, commonly known as the alder roll-rim, is a basidiomycete fungus which is associated with alder (Alnus) in northern Europe and southwestern Greenland,[1] and North America.[2] It closely resembles Paxillus involutus, but its fruit bodies are generally smaller.[3]