| Paxillus filamentosus | |
|---|---|
| | |
| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Boletales |
| Family: | Paxillaceae |
| Genus: | Paxillus |
| Species: | P. filamentosus |
| Binomial name | |
| Paxillus filamentosus | |
| Synonyms | |
Agaricus filamentosusScop. (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 is 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]
Some sources regard Paxillus rubicundulus as a synonym, [4] but MycoBank and Index Fungorum treat it as different species. [5] [6]