Scientific name:Russula atroglauca Einhell. 1980 Synonyms:Species Fungorum 20.06.2015: Habit of Growth:
Mushroom is not protected Trees: Picea (Spruce)d0d0d0
Cap: 3-7 cm across, young hemispherical, soon flattened, dented in center, little wavy bent, smooth, dull, dark blue green, grey, or almost blackish, with green and reddish tints, margin is sharp and smooth, cup skin removable almost completely.
Hymenophore: lamellae are first white, later creamy white, narrow adnate, many forked.
Spore print: cream, IIb
Spore: elliptic, 5,8-8,5 x 4,8-6,2 μm, ornament, with isolated, partially elongated and fused warts, which are soiltary connected to each other.
Stem: 3-6 x 0,8-1,5 cm, cylindrical to slightly clavate, first full, later hollow, longitudinally veined, white, later from the base upward rust stained.
Flesh: white, odor uncharacteristic, taste mild to little nutty. Chemical reactions on cup flesh: FeSO4- pink fleshed, Guaiac- blue green, Phenol- light wine brown.
Habitat: solitary to gregarious in hardwood forests and swamps, on fresh, acidic soils, grows from summer to fall.
Remarks: similar with Russula parazurea, that occurs at the same locations, but has a very unpleasant odor.