Cerioporus squamosus, synonym Polyporus squamosus, is a basidiomycete bracket fungus, with common names including dryad's saddle and pheasant's back mushroom. It has a widespread distribution, being found in Eurasia and North America. It causes a white rot in the heartwood of living and dead hardwood trees.
Source: Wikipedia
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Distribution
Widespread and common
Habitat
On a wide variety of broadleaved trees
Associates
Acer, Aesculus, Fagus, Fraxinus
Fruiting Body
1-3cm thick, upper surface slightly depressed with numerous darker adpressed scales usually arranged in concentric circles or bands, Margin finely hairy
| Cycle | annual |
|---|---|
| Colour | |
| Shape | Semi-circular, Circular |
| Surface | Smooth, Squamose |
| Width | 10 - 80 cm |
Pores
Briefly decurrent down the lateral stem, 0.5-1 per mm
| Colour | |
|---|---|
| Shape | Round, Angular |
Flesh
Firm, leathery
| Colour | |
|---|---|
| Odour | Mealy |
| Taste | Mealy |
Spores
| Colour | |
|---|---|
| Shape | Ellipsoid, Cylindric |
| Ornamentation | Smooth |
| Size | 11-15.5 x 4.5-5.5 μm |
Classification
- ↳ Phylum: Basidiomycota
- ↳ Subphylum: Agaricomycotina
- ↳ Class: Agaricomycetes
- ↳ Subclass: Acari
- ↳ Order: Polyporales
- ↳ Family: Polyporaceae
- ↳ Genus: Polyporus
Synonyms
- Boletus cellulosus Lightf.
- Boletus juglandis Schaeff.
- Boletus rangiferinus Bolton
- Boletus squamosus Huds.
- Boletus testaceus With.
- Cerioporus squamosus (Huds.) Quél.
- Grifola platypora Gray
- Polyporus rostkovii Fr.
- Polyporus rostkowii Fr.
- Polyporus squamosus (Huds.) ex Fr.
- Polyporus squamosus f. erectus
- Polyporus squamosus f. erectus anon. ined.
Reference Sources
T. Læssøe, J. H. Peterson (2019) Fungi of Temperate Europe Vol. 2. Princeton University Press.
G. Kibby (2020) Mushrooms and Toadstools of Britain & Europe Vol. 1. Geoffrey Kibby.
