Russula virescens is a basidiomycete mushroom of the genus Russula, and is commonly known as the green-cracking russula, the quilted green russula, or the green brittlegill. The species was described as new to science in 1774 by Jacob Christian Schaeffer. It can be recognized by its distinctive pale green cap that measures up to 15 cm (6 in) in diameter, the surface of which is covered with darker green angular patches.
Source: Wikipedia
| Season | ||||||||||||
|
||||||||||||
|
Distribution
Fairly common and widespread
Habitat
Mainly mycorrhizal with Fagus or Quercus on clay rich soils
Associates
Fagus, Quercus
Conservation
Cap
Cracks to form a delicate mosaic
| Colour | |
|---|---|
| Shape | Convex |
| Surface | Rugose |
| Width | 4 - 10 cm |
| Peeling | 1/2 |
Gills
| Colour | |
|---|---|
| Spacing | Crowded |
Flesh
| Colour | |
|---|---|
| Taste | Mild, nutty |
Stem
| Colour | |
|---|---|
| Texture | Smooth |
| Shape | Cylindric |
Macrochemicals
Guaiac variable
| FeSO4 |
|---|
Spores
1b, A-B
| Colour | |
|---|---|
| Shape | Subglobose |
| Ornamentation | Warty |
| Size | 7-9 x 5.7-7 μm |
Microscopic Features
Dermatocystidia absent
Classification
- ↳ Phylum: Basidiomycota
- ↳ Subphylum: Agaricomycotina
- ↳ Class: Agaricomycetes
- ↳ Order: Russulales
- ↳ Family: Russulaceae
- ↳ Genus: Russula
Synonyms
- Agaricus virescens Schaeff.
- Russula virescens (Schaeff. ex Zant.) Fr.
Reference Sources
T. Læssøe, J. H. Peterson (2019) Fungi of Temperate Europe Vol. 1. Princeton University Press.
G. Kibby (2020) Mushrooms and Toadstools of Britain & Europe Vol. 1. Geoffrey Kibby.
G. Kibby (2021) The Genus Russula in Great Britain. Geoffrey Kibby.
