Granular cystoderm (Cystoderma granulosum)
- Department: Basidiomycota (Basidiomycetes)
- Subdivision: Agaricomycotina (Agaricomycetes)
- Class: Agaricomycetes (Agaricomycetes)
- Subclass: Agaricomycetidae
- Order: Agaricales (Agaric or Lamellar)
- Family: Agaricaceae (Champignon)
- Genus: Cystoderma (Cystoderm)
- Species: Cystoderma granulosum (Granular cystoderm)
- Agaricus granulosus
- Lepiota granulosa
The cap of the cystoderm is granular, small, 1–5 cm ∅; in young mushrooms it is ovoid, convex, with a turned-up edge, covered with flakes and 'warts', with a fringed edge; in mature mushrooms – flat-convex or prostrate; the skin of the cap is dry, fine-grained, sometimes wrinkled, reddish or ocher-brown, sometimes with an orange tint, fading.
The plates are almost free, frequent, with intermediate plates, creamy or yellowish white.
The leg of the cystoderm is granular, 2-6 x 0.5-0.9 cm, cylindrical or widened towards the base, hollow, dry, of the same color with a cap or lilac; above the ring – smooth, lighter, below the ring – granular, with scales. The ring is short-lived, often absent.
The pulp is whitish or yellowish, with an indistinct taste and smell.
Spore powder is white.
Ecology and distribution Widely distributed in Europe and North America. Grows scattered or in groups, mainly in mixed forests, on soil or moss, from August to October.
Nutritional quality Conditionally edible mushroom. Consumed fresh.