Fomitopsis quercina is a species of mushroom in the order Polyporales. Commonly known as the thick-walled maze polypore, maze-gill fungus, oak-loving maze polypore, or oak mazegill, the specific epithet refers to the oak genus Quercus, upon which it frequently grows, causing a brown rot. It is found in Eurasia, Northern Africa and Australasia.
Source: Wikipedia
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Distribution
Widespread but not common
Habitat
Usually on Quercus but occasionally Castanea. Found mostly on old stumps or thick dead branches attaches to living trees. Usually in old woodlands. Causes a brown rot in host tree
Associates
Castanea, Quercus
Fruiting Body
Upper surface with concentric zones and irregular nodules
| Cycle | perennial |
|---|---|
| Colour | |
| Shape | Semi-circular |
| Surface | Smooth, Rugulose |
| Width | 10 - 20 cm |
Pores
Irregular, maze-like with thick pore walls 1-3mm
| Colour | |
|---|---|
| Shape | Labyrinthine, Elongated |
Tubes
Up to 4cm deep
| Colour |
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Flesh
Tough and corky
| Colour | |
|---|---|
| Odour | Non-distinct |
| Taste | Mild to peppery |
Spores
| Colour | |
|---|---|
| Type | inamyloid |
| Shape | Ellipsoid, Cylindric |
| Ornamentation | Smooth |
| Size | 5.5-6 x 2.5-3.5 μm |
Microscopic Features
| Cheilocystidia | Spindle-shaped |
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Classification
- ↳ Phylum: Basidiomycota
- ↳ Subphylum: Agaricomycotina
- ↳ Class: Agaricomycetes
- ↳ Order: Polyporales
- ↳ Family: Fomitopsidaceae
- ↳ Genus: Daedalea
Synonyms
- Agaricus quercinus L.
- Daedalea inzengae Fr.
- Daedalea quercina (L. ex Fr.)
- Daedalea quercina f. hexagonoides
- Daedalea quercina f. hexagonoides (Fr.) Bondartsev
- Fomitopsis quercina (L.) V. Spirin & O. Miettinen
- Hexagona minor Lazaro
- Trametes hexagonoides Fr.
Reference Sources
S. Buczacki, C. Shields, D. Ovenden (2012) Collins Fungi Guide. HarperCollins.
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.
Genus Daedalea
No other species found in this genus.
