Entoloma nidorosum

What You Should Know

Entoloma nidorosum has a convex cap, sometimes concave, 5-7 cm in diameter, occasionally with a faint bump in the center, silky, olive-gray, lightens when dried. The gills are whitish, then dirty pink. Spores are ellipsoidal, 8–10 × 7–8 μm. The stem is narrowly cylindrical, 5–9 × 0.2–0.8 cm, floury at the top, dense in the middle, later with a cavity, whitish. The pulp is whitish, with a strong ammonia odor.

Habitat in the pine-oak forest in October. In steppe cenoses it forms fruiting bodies from the end of May to the middle of June, therefore it belongs to the group of spring-early-summer species.

Other names: Nitrous Entoloma.

Entoloma nidorosum Mushroom Identification

1. Cap

   5 - 7 cm in diameter, first convex, later convex-spread, flat-spread, sometimes concave-spread, sometimes with a weak tubercle in the middle. The surface of the cap is bare, silky, shiny, gray with an olive tinge, lightens when dried.

2. Hymenophore

   Lamellar. The gills are whitish at first, later dirty pink.

3. Spores

   8–10 × 7–8 μm, elliptical.

4. Spore Print

   Pink.

5. Stem

   5 - 9 cm high, 0.2 - 0.8 cm in diameter, cylindrical, first solid, later hollow, with a powdery coating at the top, whitish.

6. Flesh

   The flesh is whitish, with a strong ammonia odor.

Entoloma nidorosum Synonyms

1. Rhodophyllus nidorosus (Fr.) Quél., 1886

2. Entoloma rhodopolium f. nidorosum (Fr.) Noordel., 1989

3. Entoloma rhodopolium var. nidorosum (Fr.) Krieglst., 1991

Sources:

Photo 1 - Author: Entoloma_nidorosum.JPG: Dragonòtderivative work: Ak ccm (talk) (Creative Commons Attribution-Share Alike 3.0 Unported)

Photo 2 - Author: Ron Pastorino (Ronpast) (Creative Commons Attribution-Share Alike 3.0 Unported)