Fomitopsis betulina
| Fomitopsis betulina | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Fungi | 
| Division: | Basidiomycota | 
| Class: | Agaricomycetes | 
| Order: | Polyporales | 
| Family: | Fomitopsidaceae | 
| Genus: | Fomitopsis | 
| Species: | F. betulina  | 
| Binomial name | |
| Fomitopsis betulina (Bull.) B.K.Cui, M.L.Han & Y.C.Dai (2016)  | |
| Synonyms | |
  | |
| Fomitopsis betulina | |
|---|---|
| Pores on hymenium | |
| No distinct cap | |
| Hymenium is decurrent | |
| Lacks a stipe | |
| Spore print is white | |
| Ecology is parasitic | |
| Edibility is inedible | |
Fomitopsis betulina (previously Piptoporus betulinus), commonly known as the birch polypore, birch bracket, or razor strop, is a common bracket fungus and, as the name suggests, grows almost exclusively on birch trees. The brackets burst out from the bark of the tree, and these fruit bodies can last for more than a year.